Base | Representation |
---|---|
bin | 11100111111000001… |
… | …011110010101101100 |
3 | 2222022221202121111121 |
4 | 130333001132111230 |
5 | 1002214230401332 |
6 | 22144115030324 |
7 | 2151143446555 |
oct | 347701362554 |
9 | 88287677447 |
10 | 31122122092 |
11 | 12220698a66 |
12 | 604689b3a4 |
13 | 2c1c9c0079 |
14 | 17134a532c |
15 | c223ce797 |
hex | 73f05e56c |
31122122092 has 24 divisors (see below), whose sum is σ = 54551376432. Its totient is φ = 15536040000.
The previous prime is 31122122041. The next prime is 31122122093. The reversal of 31122122092 is 29022122113.
It is not an unprimeable number, because it can be changed into a prime (31122122093) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9571467 + ... + 9574717.
It is an arithmetic number, because the mean of its divisors is an integer number (2272974018).
Almost surely, 231122122092 is an apocalyptic number.
It is an amenable number.
31122122092 is a deficient number, since it is larger than the sum of its proper divisors (23429254340).
31122122092 is a wasteful number, since it uses less digits than its factorization.
31122122092 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6369 (or 6367 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 25.
The spelling of 31122122092 in words is "thirty-one billion, one hundred twenty-two million, one hundred twenty-two thousand, ninety-two".
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