Base | Representation |
---|---|
bin | 11011111010011100… |
… | …00001001111100010 |
3 | 1102200101021220112210 |
4 | 31331032001033202 |
5 | 221142321311434 |
6 | 10515004102550 |
7 | 1040234410665 |
oct | 157516011742 |
9 | 42611256483 |
10 | 14985728994 |
11 | 63a0064aa5 |
12 | 2aa2834a56 |
13 | 154a8c0482 |
14 | a2238b6dc |
15 | 5ca945ee9 |
hex | 37d3813e2 |
14985728994 has 16 divisors (see below), whose sum is σ = 30251566368. Its totient is φ = 4948558272.
The previous prime is 14985728987. The next prime is 14985729019. The reversal of 14985728994 is 49982758941.
It is a super-2 number, since 2×149857289942 (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 7 ways as a sum of consecutive naturals, for example, 11670487 + ... + 11671770.
It is an arithmetic number, because the mean of its divisors is an integer number (1890722898).
Almost surely, 214985728994 is an apocalyptic number.
14985728994 is an abundant number, since it is smaller than the sum of its proper divisors (15265837374).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
14985728994 is a wasteful number, since it uses less digits than its factorization.
14985728994 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23342369.
The product of its digits is 52254720, while the sum is 66.
The spelling of 14985728994 in words is "fourteen billion, nine hundred eighty-five million, seven hundred twenty-eight thousand, nine hundred ninety-four".
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