Base | Representation |
---|---|
bin | 1110000111101101111110… |
… | …00100011110001001111010 |
3 | 11001221111102002222220012210 |
4 | 13003312333010132021322 |
5 | 13032222010144000010 |
6 | 150012512344115550 |
7 | 6353253500552004 |
oct | 703667704361172 |
9 | 131844362886183 |
10 | 31051524203130 |
11 | 99919719a0402 |
12 | 3595bb0765bb6 |
13 | 14431b9192342 |
14 | 794c8a727374 |
15 | 38cac4b10b20 |
hex | 1c3dbf11e27a |
31051524203130 has 32 divisors (see below), whose sum is σ = 74536545181824. Its totient is φ = 8278974554816.
The previous prime is 31051524203041. The next prime is 31051524203149. The reversal of 31051524203130 is 3130242515013.
It is a Harshad number since it is a multiple of its sum of digits (30).
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, 89317329 + ... + 89664308.
It is an arithmetic number, because the mean of its divisors is an integer number (2329267036932).
Almost surely, 231051524203130 is an apocalyptic number.
31051524203130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
31051524203130 is an abundant number, since it is smaller than the sum of its proper divisors (43485020978694).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31051524203130 is a wasteful number, since it uses less digits than its factorization.
31051524203130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 178987430.
The product of its (nonzero) digits is 10800, while the sum is 30.
Adding to 31051524203130 its reverse (3130242515013), we get a palindrome (34181766718143).
The spelling of 31051524203130 in words is "thirty-one trillion, fifty-one billion, five hundred twenty-four million, two hundred three thousand, one hundred thirty".
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