Base | Representation |
---|---|
bin | 100001101110001100… |
… | …0100111101110001100 |
3 | 20220220212012121122100 |
4 | 1003130120213232030 |
5 | 2141302212342122 |
6 | 53133505515100 |
7 | 5142362436006 |
oct | 1033430475614 |
9 | 226825177570 |
10 | 72416918412 |
11 | 2879150a703 |
12 | 12050342a90 |
13 | 6aa10a7ba7 |
14 | 370d9db376 |
15 | 1d3c8c9aac |
hex | 10dc627b8c |
72416918412 has 72 divisors (see below), whose sum is σ = 184588185600. Its totient is φ = 23936840928.
The previous prime is 72416918411. The next prime is 72416918429. The reversal of 72416918412 is 21481961427.
72416918412 is a `hidden beast` number, since 72 + 4 + 169 + 1 + 8 + 412 = 666.
It is not an unprimeable number, because it can be changed into a prime (72416918411) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17001139 + ... + 17005397.
It is an arithmetic number, because the mean of its divisors is an integer number (2563724800).
Almost surely, 272416918412 is an apocalyptic number.
It is an amenable number.
72416918412 is an abundant number, since it is smaller than the sum of its proper divisors (112171267188).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72416918412 is a wasteful number, since it uses less digits than its factorization.
72416918412 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8115 (or 8110 counting only the distinct ones).
The product of its digits is 193536, while the sum is 45.
The spelling of 72416918412 in words is "seventy-two billion, four hundred sixteen million, nine hundred eighteen thousand, four hundred twelve".
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