Base | Representation |
---|---|
bin | 1110100000110100011101… |
… | …10001100101010001011111 |
3 | 11011222221121200211110002222 |
4 | 13100122032301211101133 |
5 | 13140334334101343204 |
6 | 151513031300335555 |
7 | 6502465505202641 |
oct | 720321661452137 |
9 | 134887550743088 |
10 | 31914002371679 |
11 | a19471a38493a |
12 | 36b51929a45bb |
13 | 14a66291233cc |
14 | 7c490870c891 |
15 | 3a5252ebcabe |
hex | 1d068ec6545f |
31914002371679 has 16 divisors (see below), whose sum is σ = 32969541404160. Its totient is φ = 30874371021120.
The previous prime is 31914002371633. The next prime is 31914002371747. The reversal of 31914002371679 is 97617320041913.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-31914002371679 is a prime.
It is a super-2 number, since 2×319140023716792 (a number of 28 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 31914002371679.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31914002371619) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12207164 + ... + 14589134.
It is an arithmetic number, because the mean of its divisors is an integer number (2060596337760).
Almost surely, 231914002371679 is an apocalyptic number.
31914002371679 is a deficient number, since it is larger than the sum of its proper divisors (1055539032481).
31914002371679 is a wasteful number, since it uses less digits than its factorization.
31914002371679 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2385310.
The product of its (nonzero) digits is 1714608, while the sum is 53.
The spelling of 31914002371679 in words is "thirty-one trillion, nine hundred fourteen billion, two million, three hundred seventy-one thousand, six hundred seventy-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •