Base | Representation |
---|---|
bin | 11100110111110100… |
… | …001011011001011110 |
3 | 2222000112012221021010 |
4 | 130313310023121132 |
5 | 1001442301234001 |
6 | 22124115120050 |
7 | 2145144550665 |
oct | 346764133136 |
9 | 88015187233 |
10 | 31001196126 |
11 | 1216940454a |
12 | 60122a3026 |
13 | 2c00930844 |
14 | 17013c7ddc |
15 | c169948d6 |
hex | 737d0b65e |
31001196126 has 16 divisors (see below), whose sum is σ = 62077194000. Its totient is φ = 10321265088.
The previous prime is 31001196113. The next prime is 31001196133. The reversal of 31001196126 is 62169110013.
It is a super-2 number, since 2×310011961262 (a number of 22 digits) contains 22 as substring.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 31001196093 and 31001196102.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3111351 + ... + 3121298.
It is an arithmetic number, because the mean of its divisors is an integer number (3879824625).
Almost surely, 231001196126 is an apocalyptic number.
31001196126 is an abundant number, since it is smaller than the sum of its proper divisors (31075997874).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31001196126 is a wasteful number, since it uses less digits than its factorization.
31001196126 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6233483.
The product of its (nonzero) digits is 1944, while the sum is 30.
The spelling of 31001196126 in words is "thirty-one billion, one million, one hundred ninety-six thousand, one hundred twenty-six".
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