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72545136027741 = 32131577459529471
BaseRepresentation
bin10000011111101010111011…
…000100000010100001011101
3100111212020200021002010001100
4100133222323010002201131
534002034414310341431
6414142435253303313
721165133045643166
oct2037527304024135
9314766607063040
1072545136027741
112112a246049073
128177897334b39
133162c91546260
1413cb2bbc9676d
1585c0eae644e6
hex41fabb10285d

72545136027741 has 48 divisors (see below), whose sum is σ = 113582206366720. Its totient is φ = 44352778504320.

The previous prime is 72545136027733. The next prime is 72545136027803. The reversal of 72545136027741 is 14772063154527.

72545136027741 is a `hidden beast` number, since 7 + 2 + 5 + 4 + 5 + 1 + 360 + 277 + 4 + 1 = 666.

It is not a de Polignac number, because 72545136027741 - 23 = 72545136027733 is a prime.

It is a super-2 number, since 2×725451360277412 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72545136027341) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 136749636 + ... + 137279106.

Almost surely, 272545136027741 is an apocalyptic number.

It is an amenable number.

72545136027741 is a deficient number, since it is larger than the sum of its proper divisors (41037070338979).

72545136027741 is a wasteful number, since it uses less digits than its factorization.

72545136027741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537106 (or 537103 counting only the distinct ones).

The product of its (nonzero) digits is 9878400, while the sum is 54.

The spelling of 72545136027741 in words is "seventy-two trillion, five hundred forty-five billion, one hundred thirty-six million, twenty-seven thousand, seven hundred forty-one".

Divisors: 1 3 9 13 39 117 157 471 1413 2041 6123 7459 18369 22377 67131 96967 290901 529471 872703 1171063 1588413 3513189 4765239 6883123 10539567 15223819 20649369 45671457 61948107 83126947 137014371 249380841 748142523 1080650311 3241950933 3949324189 9725852799 11847972567 35543917701 51341214457 154023643371 462070930113 620043897673 1860131693019 5580395079057 8060570669749 24181712009247 72545136027741