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28997069076192 = 2537237118199241
BaseRepresentation
bin1101001011111011010000…
…00000000111011011100000
310210200002111121012222101110
412211331220000013123200
512300041444140414232
6141401023012503320
76051653255242620
oct645755000073340
9123602447188343
1028997069076192
11926a6515a5788
1233039ab91ab40
131324547b96389
1472367399c880
153544310b5acc
hex1a5f680076e0

28997069076192 has 96 divisors (see below), whose sum is σ = 87027901680384. Its totient is φ = 8281382169600.

The previous prime is 28997069076187. The next prime is 28997069076197. The reversal of 28997069076192 is 29167096079982.

It is an interprime number because it is at equal distance from previous prime (28997069076187) and next prime (28997069076197).

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28997069076197) 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, 7506309 + ... + 10692932.

It is an arithmetic number, because the mean of its divisors is an integer number (906540642504).

Almost surely, 228997069076192 is an apocalyptic number.

It is an amenable number.

28997069076192 is an abundant number, since it is smaller than the sum of its proper divisors (58030832604192).

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

28997069076192 is a wasteful number, since it uses less digits than its factorization.

28997069076192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18201632 (or 18201624 counting only the distinct ones).

The product of its (nonzero) digits is 370355328, while the sum is 75.

The spelling of 28997069076192 in words is "twenty-eight trillion, nine hundred ninety-seven billion, sixty-nine million, seventy-six thousand, one hundred ninety-two".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 84 96 112 168 224 336 672 2371 4742 7113 9484 14226 16597 18968 28452 33194 37936 49791 56904 66388 75872 99582 113808 132776 199164 227616 265552 398328 531104 796656 1593312 18199241 36398482 54597723 72796964 109195446 127394687 145593928 218390892 254789374 291187856 382184061 436781784 509578748 582375712 764368122 873563568 1019157496 1528736244 1747127136 2038314992 3057472488 4076629984 6114944976 12229889952 43150400411 86300800822 129451201233 172601601644 258902402466 302052802877 345203203288 517804804932 604105605754 690406406576 906158408631 1035609609864 1208211211508 1380812813152 1812316817262 2071219219728 2416422423016 3624633634524 4142438439456 4832844846032 7249267269048 9665689692064 14498534538096 28997069076192