Search a number
-
+
2120320048 = 2471119239379
BaseRepresentation
bin111111001100001…
…1000010000110000
312110202202102022011
41332120120100300
513320300220143
6550221452304
7103354265050
oct17630302060
95422672264
102120320048
11998957920
124b2111094
1327a383b62
14161859560
15c622ce9d
hex7e618430

2120320048 has 160 divisors (see below), whose sum is σ = 5428224000. Its totient is φ = 777288960.

The previous prime is 2120320031. The next prime is 2120320049. The reversal of 2120320048 is 8400230212.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (2120320049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5594323 + ... + 5594701.

It is an arithmetic number, because the mean of its divisors is an integer number (33926400).

Almost surely, 22120320048 is an apocalyptic number.

2120320048 is a gapful number since it is divisible by the number (28) 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 2120320048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2714112000).

2120320048 is an abundant number, since it is smaller than the sum of its proper divisors (3307903952).

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

2120320048 is a wasteful number, since it uses less digits than its factorization.

2120320048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663 (or 657 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 2120320048 is about 46046.9331009135. The cubic root of 2120320048 is about 1284.6962997101.

The spelling of 2120320048 in words is "two billion, one hundred twenty million, three hundred twenty thousand, forty-eight".

Divisors: 1 2 4 7 8 11 14 16 19 22 28 38 44 56 76 77 88 112 133 152 154 176 209 239 266 304 308 379 418 478 532 616 758 836 956 1064 1232 1463 1516 1672 1673 1912 2128 2629 2653 2926 3032 3344 3346 3824 4169 4541 5258 5306 5852 6064 6692 7201 8338 9082 10516 10612 11704 13384 14402 16676 18164 18403 21032 21224 23408 26768 28804 29183 31787 33352 36328 36806 42064 42448 49951 50407 57608 58366 63574 66704 72656 73612 79211 90581 99902 100814 115216 116732 127148 147224 158422 181162 199804 201628 233464 254296 294448 316844 349657 362324 399608 403256 466928 508592 554477 633688 634067 699314 724648 799216 806512 996391 1108954 1267376 1268134 1398628 1449296 1721039 1992782 2217908 2536268 2797256 3442078 3985564 4435816 5072536 5594512 6884156 6974737 7971128 8871632 10145072 12047273 13768312 13949474 15942256 18931429 24094546 27536624 27898948 37862858 48189092 55797896 75725716 96378184 111595792 132520003 151451432 192756368 265040006 302902864 530080012 1060160024 2120320048