Base | Representation |
---|---|
bin | 11011111001001001… |
… | …11001011000111000 |
3 | 1102122122000020001210 |
4 | 31330210321120320 |
5 | 221132041331140 |
6 | 10513541043120 |
7 | 1040043652131 |
oct | 157444713070 |
9 | 42578006053 |
10 | 14974948920 |
11 | 6394a71848 |
12 | 2a9b0b64a0 |
13 | 15485b7829 |
14 | a20b82c88 |
15 | 5c9a16d80 |
hex | 37c939638 |
14974948920 has 48 divisors (see below), whose sum is σ = 44928868680. Its totient is φ = 3992962240.
The previous prime is 14974948907. The next prime is 14974948927. The reversal of 14974948920 is 2984947941.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (14974948927) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1334935 + ... + 1346105.
Almost surely, 214974948920 is an apocalyptic number.
14974948920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
14974948920 is an abundant number, since it is smaller than the sum of its proper divisors (29953919760).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
14974948920 is an frugal number, since it uses more digits than its factorization.
14974948920 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22356 (or 11181 counting only the distinct ones).
The product of its (nonzero) digits is 5225472, while the sum is 57.
The spelling of 14974948920 in words is "fourteen billion, nine hundred seventy-four million, nine hundred forty-eight thousand, nine hundred twenty".
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