Base | Representation |
---|---|
bin | 11110101010111000… |
… | …10101111110010010 |
3 | 1120111112110022112210 |
4 | 33111130111332102 |
5 | 232210231111210 |
6 | 11321520532550 |
7 | 1122016442634 |
oct | 172534257622 |
9 | 46445408483 |
10 | 16465878930 |
11 | 6a8a617606 |
12 | 3236481156 |
13 | 1725452637 |
14 | b22ba4a54 |
15 | 66586de20 |
hex | 3d5715f92 |
16465878930 has 32 divisors (see below), whose sum is σ = 39829284864. Its totient is φ = 4356326016.
The previous prime is 16465878899. The next prime is 16465878953. The reversal of 16465878930 is 3987856461.
It is a super-2 number, since 2×164658789302 (a number of 21 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2157067 + ... + 2164686.
It is an arithmetic number, because the mean of its divisors is an integer number (1244665152).
Almost surely, 216465878930 is an apocalyptic number.
16465878930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
16465878930 is an abundant number, since it is smaller than the sum of its proper divisors (23363405934).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
16465878930 is a wasteful number, since it uses less digits than its factorization.
16465878930 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4321890.
The product of its (nonzero) digits is 8709120, while the sum is 57.
The spelling of 16465878930 in words is "sixteen billion, four hundred sixty-five million, eight hundred seventy-eight thousand, nine hundred thirty".
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