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80884051232 = 25191131796577
BaseRepresentation
bin100101101010100010…
…0001010110100100000
321201202221121112022012
41023111010022310200
52311122304114412
6101054013532052
75562245043305
oct1132504126440
9251687545265
1080884051232
1131336a35936
1213813aa4028
13782033605a
143cb43430ac
152185de9c22
hex12d510ad20

80884051232 has 96 divisors (see below), whose sum is σ = 170075505600. Its totient is φ = 37756551168.

The previous prime is 80884051231. The next prime is 80884051279. The reversal of 80884051232 is 23215048808.

It is a self number, because there is not a number n which added to its sum of digits gives 80884051232.

It is not an unprimeable number, because it can be changed into a prime (80884051231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12294728 + ... + 12301304.

It is an arithmetic number, because the mean of its divisors is an integer number (1771619850).

Almost surely, 280884051232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80884051232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85037752800).

80884051232 is an abundant number, since it is smaller than the sum of its proper divisors (89191454368).

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

80884051232 is a wasteful number, since it uses less digits than its factorization.

80884051232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6898 (or 6890 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 41.

The spelling of 80884051232 in words is "eighty billion, eight hundred eighty-four million, fifty-one thousand, two hundred thirty-two".

Divisors: 1 2 4 8 16 19 32 38 76 113 152 179 226 304 358 452 608 716 904 1432 1808 2147 2864 3401 3616 4294 5728 6577 6802 8588 13154 13604 17176 20227 26308 27208 34352 40454 52616 54416 68704 80908 105232 108832 124963 161816 210464 249926 323632 384313 499852 647264 743201 768626 999704 1177283 1486402 1537252 1999408 2354566 2972804 3074504 3998816 4709132 5945608 6149008 9418264 11891216 12298016 14120819 18836528 22368377 23782432 28241638 37673056 44736754 56483276 89473508 112966552 133032979 178947016 225933104 266065958 357894032 451866208 532131916 715788064 1064263832 2128527664 2527626601 4257055328 5055253202 10110506404 20221012808 40442025616 80884051232