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2555532355552 = 251122773596637
BaseRepresentation
bin100101001100000001100…
…110010010011111100000
3100001022021102222111220221
4211030001212102133200
5313332212240334202
65233554555212424
7352426321420561
oct45140146223740
910038242874827
102555532355552
118a5882434a00
12353342747114
13156ca7683a17
148b98d080168
154671e017037
hex253019927e0

2555532355552 has 144 divisors (see below), whose sum is σ = 5566429784160. Its totient is φ = 1154014202880.

The previous prime is 2555532355511. The next prime is 2555532355711.

It is a happy number.

2555532355552 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 2555532355552.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 385039978 + ... + 385046614.

It is an arithmetic number, because the mean of its divisors is an integer number (38655762390).

Almost surely, 22555532355552 is an apocalyptic number.

2555532355552 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2555532355552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2783214892080).

2555532355552 is an abundant number, since it is smaller than the sum of its proper divisors (3010897428608).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2555532355552 is a wasteful number, since it uses less digits than its factorization.

2555532355552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7305 (or 7286 counting only the distinct ones).

The product of its digits is 28125000, while the sum is 52.

The spelling of 2555532355552 in words is "two trillion, five hundred fifty-five billion, five hundred thirty-two million, three hundred fifty-five thousand, five hundred fifty-two".

Divisors: 1 2 4 8 11 16 22 32 44 88 121 176 242 277 352 359 484 554 718 968 1108 1436 1936 2216 2872 3047 3872 3949 4432 5744 6094 6637 7898 8864 11488 12188 13274 15796 24376 26548 31592 33517 43439 48752 53096 63184 67034 73007 86878 97504 99443 106192 126368 134068 146014 173756 198886 212384 268136 292028 347512 397772 536272 584056 695024 795544 803077 1072544 1093873 1168112 1390048 1591088 1606154 1838449 2187746 2336224 2382683 3182176 3212308 3676898 4375492 4765366 6424616 7353796 8750984 9530732 12032603 12849232 14707592 17501968 19061464 20222939 24065206 25698464 26209513 29415184 35003936 38122928 40445878 48130412 52419026 58830368 76245856 80891756 96260824 104838052 161783512 192521648 209676104 222452329 288304643 323567024 385043296 419352208 444904658 576609286 647134048 660003191 838704416 889809316 1153218572 1320006382 1779618632 2306437144 2640012764 3559237264 4612874288 5280025528 7118474528 7260035101 9225748576 10560051056 14520070202 21120102112 29040140404 58080280808 79860386111 116160561616 159720772222 232321123232 319441544444 638883088888 1277766177776 2555532355552