Base | Representation |
---|---|
bin | 11101000011101010… |
… | …010011111001001100 |
3 | 2222112101011222020000 |
4 | 131003222103321030 |
5 | 1002344140423301 |
6 | 22155534524300 |
7 | 2153110036521 |
oct | 350352237114 |
9 | 88471158200 |
10 | 31199936076 |
11 | 12260606841 |
12 | 6068966690 |
13 | 2c32b6644a |
14 | 171d95d148 |
15 | c29150786 |
hex | 743a93e4c |
31199936076 has 60 divisors (see below), whose sum is σ = 82205131008. Its totient is φ = 10318075488.
The previous prime is 31199936071. The next prime is 31199936107. The reversal of 31199936076 is 67063999113.
It is a super-2 number, since 2×311999360762 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is not an unprimeable number, because it can be changed into a prime (31199936071) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 337971 + ... + 420266.
Almost surely, 231199936076 is an apocalyptic number.
31199936076 is a gapful number since it is divisible by the number (36) formed by its first and last digit.
It is an amenable number.
31199936076 is an abundant number, since it is smaller than the sum of its proper divisors (51005194932).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31199936076 is a wasteful number, since it uses less digits than its factorization.
31199936076 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 758380 (or 758369 counting only the distinct ones).
The product of its (nonzero) digits is 1653372, while the sum is 54.
The spelling of 31199936076 in words is "thirty-one billion, one hundred ninety-nine million, nine hundred thirty-six thousand, seventy-six".
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