Base | Representation |
---|---|
bin | 11100111000011010… |
… | …000011001110000110 |
3 | 2222001012220022212221 |
4 | 130320122003032012 |
5 | 1002002321432402 |
6 | 22125112002554 |
7 | 2145325130350 |
oct | 347032031606 |
9 | 88035808787 |
10 | 31011124102 |
11 | 12173a75592 |
12 | 601569045a |
13 | 2c029c869a |
14 | 17028500d0 |
15 | c177a6337 |
hex | 738683386 |
31011124102 has 32 divisors (see below), whose sum is σ = 55064346624. Its totient is φ = 12817807200.
The previous prime is 31011124013. The next prime is 31011124127. The reversal of 31011124102 is 20142111013.
It is a congruent number.
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, 5227 + ... + 249097.
It is an arithmetic number, because the mean of its divisors is an integer number (1720760832).
Almost surely, 231011124102 is an apocalyptic number.
31011124102 is a deficient number, since it is larger than the sum of its proper divisors (24053222522).
31011124102 is a wasteful number, since it uses less digits than its factorization.
31011124102 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 244204.
The product of its (nonzero) digits is 48, while the sum is 16.
Adding to 31011124102 its reverse (20142111013), we get a palindrome (51153235115).
The spelling of 31011124102 in words is "thirty-one billion, eleven million, one hundred twenty-four thousand, one hundred two".
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