Base | Representation |
---|---|
bin | 100001110100000001… |
… | …1000000001100101110 |
3 | 20221102111101011021020 |
4 | 1003220003000030232 |
5 | 2142202304444334 |
6 | 53205135315010 |
7 | 5150256505260 |
oct | 1035003001456 |
9 | 227374334236 |
10 | 72612578094 |
11 | 288819a8721 |
12 | 120a597ba66 |
13 | 6b027a2754 |
14 | 372b9adb30 |
15 | 1d4eb77e49 |
hex | 10e80c032e |
72612578094 has 32 divisors (see below), whose sum is σ = 165979631616. Its totient is φ = 20745447840.
The previous prime is 72612578081. The next prime is 72612578149. The reversal of 72612578094 is 49087521627.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1554804 + ... + 1600824.
It is an arithmetic number, because the mean of its divisors is an integer number (5186863488).
Almost surely, 272612578094 is an apocalyptic number.
72612578094 is an abundant number, since it is smaller than the sum of its proper divisors (93367053522).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72612578094 is a wasteful number, since it uses less digits than its factorization.
72612578094 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 83600.
The product of its (nonzero) digits is 1693440, while the sum is 51.
The spelling of 72612578094 in words is "seventy-two billion, six hundred twelve million, five hundred seventy-eight thousand, ninety-four".
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