Base | Representation |
---|---|
bin | 1001001010111101101… |
… | …11000101101011111000 |
3 | 1010010101112121112020212 |
4 | 10211132313011223320 |
5 | 20130333233041440 |
6 | 400433243210252 |
7 | 31524032520566 |
oct | 4453667055370 |
9 | 1103345545225 |
10 | 315124112120 |
11 | 111709389614 |
12 | 510a6516988 |
13 | 239402b148c |
14 | 11375a32a36 |
15 | 82e533c465 |
hex | 495edc5af8 |
315124112120 has 32 divisors (see below), whose sum is σ = 715655703600. Its totient is φ = 124871609088.
The previous prime is 315124112113. The next prime is 315124112179. The reversal of 315124112120 is 21211421513.
It is a congruent number.
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, 36809285 + ... + 36817844.
Almost surely, 2315124112120 is an apocalyptic number.
It is an amenable number.
315124112120 is an abundant number, since it is smaller than the sum of its proper divisors (400531591480).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
315124112120 is a wasteful number, since it uses less digits than its factorization.
315124112120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 73627247 (or 73627243 counting only the distinct ones).
The product of its (nonzero) digits is 480, while the sum is 23.
Adding to 315124112120 its reverse (21211421513), we get a palindrome (336335533633).
The spelling of 315124112120 in words is "three hundred fifteen billion, one hundred twenty-four million, one hundred twelve thousand, one hundred twenty".
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