Base | Representation |
---|---|
bin | 11100111000100110… |
… | …100011110001010010 |
3 | 2222001110001220220022 |
4 | 130320212203301102 |
5 | 1002004141400104 |
6 | 22125310143442 |
7 | 2145365035310 |
oct | 347046436122 |
9 | 88043056808 |
10 | 31014403154 |
11 | 12175905149 |
12 | 60167b1b82 |
13 | 2c035a6057 |
14 | 17030650b0 |
15 | c17c02bbe |
hex | 7389a3c52 |
31014403154 has 16 divisors (see below), whose sum is σ = 54170710848. Its totient is φ = 13041096432.
The previous prime is 31014403141. The next prime is 31014403157. The reversal of 31014403154 is 45130441013.
It is a happy number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (31014403157) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 20898452 + ... + 20899935.
It is an arithmetic number, because the mean of its divisors is an integer number (3385669428).
Almost surely, 231014403154 is an apocalyptic number.
31014403154 is a deficient number, since it is larger than the sum of its proper divisors (23156307694).
31014403154 is a wasteful number, since it uses less digits than its factorization.
31014403154 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 41798449.
The product of its (nonzero) digits is 2880, while the sum is 26.
Adding to 31014403154 its reverse (45130441013), we get a palindrome (76144844167).
The spelling of 31014403154 in words is "thirty-one billion, fourteen million, four hundred three thousand, one hundred fifty-four".
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