Base | Representation |
---|---|
bin | 10000100000110100110001… |
… | …111010111110100000000101 |
3 | 100112010211101001122112221200 |
4 | 100200310301322332200011 |
5 | 34004334323011131010 |
6 | 414243112411133113 |
7 | 21203641212532245 |
oct | 2040646172764005 |
9 | 315124331575850 |
10 | 72624439552005 |
11 | 2115a9408a2670 |
12 | 818b129a44199 |
13 | 316a5bc2a3b43 |
14 | 13d1082333b25 |
15 | 85e1dd209cc0 |
hex | 420d31ebe805 |
72624439552005 has 96 divisors (see below), whose sum is σ = 138832301013120. Its totient is φ = 34826820963840.
The previous prime is 72624439551977. The next prime is 72624439552019. The reversal of 72624439552005 is 50025593442627.
72624439552005 is a `hidden beast` number, since 7 + 2 + 6 + 2 + 44 + 395 + 5 + 200 + 5 = 666.
It is not a de Polignac number, because 72624439552005 - 28 = 72624439551749 is a prime.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 29181267 + ... + 31572063.
It is an arithmetic number, because the mean of its divisors is an integer number (1446169802220).
Almost surely, 272624439552005 is an apocalyptic number.
It is an amenable number.
72624439552005 is a deficient number, since it is larger than the sum of its proper divisors (66207861461115).
72624439552005 is a wasteful number, since it uses less digits than its factorization.
72624439552005 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2391491 (or 2391488 counting only the distinct ones).
The product of its (nonzero) digits is 18144000, while the sum is 54.
The spelling of 72624439552005 in words is "seventy-two trillion, six hundred twenty-four billion, four hundred thirty-nine million, five hundred fifty-two thousand, five".
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