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72929192996992 = 277110179453259
BaseRepresentation
bin10000100101010000100110…
…101001000111000010000000
3100120012221222212000121100211
4100211100212221013002000
534024332441401400432
6415035113031123504
721234650250216043
oct2045204651070200
9316187885017324
1072929192996992
11212681082064a2
12821a1bb213594
133190268b56997
141401b128b6c5a
158670c7d6bd47
hex425426a47080

72929192996992 has 64 divisors (see below), whose sum is σ = 148793709067200. Its totient is φ = 35595059584000.

The previous prime is 72929192996939. The next prime is 72929192997043. The reversal of 72929192996992 is 29969929192927.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38808742 + ... + 40644517.

It is an arithmetic number, because the mean of its divisors is an integer number (2324901704175).

Almost surely, 272929192996992 is an apocalyptic number.

It is an amenable number.

72929192996992 is an abundant number, since it is smaller than the sum of its proper divisors (75864516070208).

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

72929192996992 is a wasteful number, since it uses less digits than its factorization.

72929192996992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79453445 (or 79453433 counting only the distinct ones).

The product of its digits is 3214155168, while the sum is 85.

The spelling of 72929192996992 in words is "seventy-two trillion, nine hundred twenty-nine billion, one hundred ninety-two million, nine hundred ninety-six thousand, nine hundred ninety-two".

Divisors: 1 2 4 8 16 32 64 71 101 128 142 202 284 404 568 808 1136 1616 2272 3232 4544 6464 7171 9088 12928 14342 28684 57368 114736 229472 458944 917888 79453259 158906518 317813036 635626072 1271252144 2542504288 5085008576 5641181389 8024779159 10170017152 11282362778 16049558318 22564725556 32099116636 45129451112 64198233272 90258902224 128396466544 180517804448 256792933088 361035608896 513585866176 569759320289 722071217792 1027171732352 1139518640578 2279037281156 4558074562312 9116149124624 18232298249248 36464596498496 72929192996992