Base | Representation |
---|---|
bin | 1110000110111101100101… |
… | …11001100110011010100100 |
3 | 11001212000100221100222212011 |
4 | 13003132302321212122210 |
5 | 13031310311324114022 |
6 | 145552535131404004 |
7 | 6351344025430312 |
oct | 703366271463244 |
9 | 131760327328764 |
10 | 31025550223012 |
11 | 99819532a2734 |
12 | 3590b61bb3604 |
13 | 1440909c2c137 |
14 | 793904c870b2 |
15 | 38c0a469b977 |
hex | 1c37b2e666a4 |
31025550223012 has 48 divisors (see below), whose sum is σ = 57867955891200. Its totient is φ = 14513089934880.
The previous prime is 31025550222949. The next prime is 31025550223039. The reversal of 31025550223012 is 21032205552013.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2709814 + ... + 8330317.
It is an arithmetic number, because the mean of its divisors is an integer number (1205582414400).
Almost surely, 231025550223012 is an apocalyptic number.
It is an amenable number.
31025550223012 is a deficient number, since it is larger than the sum of its proper divisors (26842405668188).
31025550223012 is a wasteful number, since it uses less digits than its factorization.
31025550223012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11040616 (or 11040614 counting only the distinct ones).
The product of its (nonzero) digits is 18000, while the sum is 31.
Adding to 31025550223012 its reverse (21032205552013), we get a palindrome (52057755775025).
The spelling of 31025550223012 in words is "thirty-one trillion, twenty-five billion, five hundred fifty million, two hundred twenty-three thousand, twelve".
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