Base | Representation |
---|---|
bin | 11100111100001011… |
… | …000001010101110010 |
3 | 2222012121202122110200 |
4 | 130330023001111302 |
5 | 1002120004334411 |
6 | 22135245540030 |
7 | 2150023063503 |
oct | 347413012562 |
9 | 88177678420 |
10 | 31074293106 |
11 | 121a66a037a |
12 | 6032874616 |
13 | 2c12b14bac |
14 | 170adb4baa |
15 | c1d0d2e56 |
hex | 73c2c1572 |
31074293106 has 96 divisors (see below), whose sum is σ = 71618826240. Its totient is φ = 9716229600.
The previous prime is 31074293077. The next prime is 31074293141. The reversal of 31074293106 is 60139247013.
31074293106 is a `hidden beast` number, since 310 + 7 + 4 + 29 + 310 + 6 = 666.
It is a super-2 number, since 2×310742931062 (a number of 22 digits) contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11991871 + ... + 11994461.
It is an arithmetic number, because the mean of its divisors is an integer number (746029440).
Almost surely, 231074293106 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 31074293106, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35809413120).
31074293106 is an abundant number, since it is smaller than the sum of its proper divisors (40544533134).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31074293106 is a wasteful number, since it uses less digits than its factorization.
31074293106 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3172 (or 3169 counting only the distinct ones).
The product of its (nonzero) digits is 27216, while the sum is 36.
The spelling of 31074293106 in words is "thirty-one billion, seventy-four million, two hundred ninety-three thousand, one hundred six".
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