Base | Representation |
---|---|
bin | 11101011001111101… |
… | …110001000100011110 |
3 | 10000111110022020202000 |
4 | 131121331301010132 |
5 | 1004130434310240 |
6 | 22301023143130 |
7 | 2165302501632 |
oct | 353175610436 |
9 | 100443266660 |
10 | 31574135070 |
11 | 1243285a005 |
12 | 6152144aa6 |
13 | 2c9254307a |
14 | 1757528dc2 |
15 | c4be19430 |
hex | 759f7111e |
31574135070 has 96 divisors (see below), whose sum is σ = 84555450720. Its totient is φ = 8384140800.
The previous prime is 31574134993. The next prime is 31574135081. The reversal of 31574135070 is 7053147513.
31574135070 is a `hidden beast` number, since 3 + 1 + 574 + 13 + 5 + 0 + 70 = 666.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21318730 + ... + 21320210.
It is an arithmetic number, because the mean of its divisors is an integer number (880785945).
Almost surely, 231574135070 is an apocalyptic number.
31574135070 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 31574135070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42277725360).
31574135070 is an abundant number, since it is smaller than the sum of its proper divisors (52981315650).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31574135070 is a wasteful number, since it uses less digits than its factorization.
31574135070 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2059 (or 1772 counting only the distinct ones).
The product of its (nonzero) digits is 44100, while the sum is 36.
The spelling of 31574135070 in words is "thirty-one billion, five hundred seventy-four million, one hundred thirty-five thousand, seventy".
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