Base | Representation |
---|---|
bin | 100001100101010010… |
… | …0101100011100110111 |
3 | 20220011000220202002120 |
4 | 1003022210230130313 |
5 | 2140144212443443 |
6 | 53044113011023 |
7 | 5132103452502 |
oct | 1031244543467 |
9 | 226130822076 |
10 | 72118093623 |
11 | 28648869174 |
12 | 11b88253a73 |
13 | 6a541cbca4 |
14 | 36c2052139 |
15 | 1d2154e083 |
hex | 10ca92c737 |
72118093623 has 16 divisors (see below), whose sum is σ = 96332414976. Its totient is φ = 47991303360.
The previous prime is 72118093609. The next prime is 72118093657. The reversal of 72118093623 is 32639081127.
It is not a de Polignac number, because 72118093623 - 230 = 71044351799 is a prime.
It is a super-2 number, since 2×721180936232 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72118093423) 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, 8800458 + ... + 8808648.
It is an arithmetic number, because the mean of its divisors is an integer number (6020775936).
Almost surely, 272118093623 is an apocalyptic number.
72118093623 is a deficient number, since it is larger than the sum of its proper divisors (24214321353).
72118093623 is a wasteful number, since it uses less digits than its factorization.
72118093623 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13174.
The product of its (nonzero) digits is 108864, while the sum is 42.
The spelling of 72118093623 in words is "seventy-two billion, one hundred eighteen million, ninety-three thousand, six hundred twenty-three".
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