Base | Representation |
---|---|
bin | 11100111000111100… |
… | …010011010111011100 |
3 | 2222001211210111210121 |
4 | 130320330103113130 |
5 | 1002012121300012 |
6 | 22130032244324 |
7 | 2145464345314 |
oct | 347074232734 |
9 | 88054714717 |
10 | 31020103132 |
11 | 12179048677 |
12 | 60186a06a4 |
13 | 2c04820615 |
14 | 1703b0a444 |
15 | c1847ba07 |
hex | 738f135dc |
31020103132 has 6 divisors (see below), whose sum is σ = 54285180488. Its totient is φ = 15510051564.
The previous prime is 31020103123. The next prime is 31020103181. The reversal of 31020103132 is 23130102013.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3877512888 + ... + 3877512895.
Almost surely, 231020103132 is an apocalyptic number.
It is an amenable number.
31020103132 is a deficient number, since it is larger than the sum of its proper divisors (23265077356).
31020103132 is a wasteful number, since it uses less digits than its factorization.
31020103132 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7755025787 (or 7755025785 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 16.
Adding to 31020103132 its reverse (23130102013), we get a palindrome (54150205145).
The spelling of 31020103132 in words is "thirty-one billion, twenty million, one hundred three thousand, one hundred thirty-two".
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