Base | Representation |
---|---|
bin | 1011101100000011011111… |
… | …0111111111110100111110 |
3 | 1200111120220201010020221020 |
4 | 2323000313313333310332 |
5 | 3141024312232411440 |
6 | 43155515504245010 |
7 | 2464326434001405 |
oct | 273006767776476 |
9 | 50446821106836 |
10 | 12851479575870 |
11 | 4105311201921 |
12 | 1536852610766 |
13 | 722b73ac9a50 |
14 | 32602cd7c63c |
15 | 17446a91a3d0 |
hex | bb037dffd3e |
12851479575870 has 32 divisors (see below), whose sum is σ = 33216131827872. Its totient is φ = 3163441126272.
The previous prime is 12851479575743. The next prime is 12851479575881. The reversal of 12851479575870 is 7857597415821.
It is a junction number, because it is equal to n+sod(n) for n = 12851479575795 and 12851479575804.
It is a congruent number.
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, 16476255477 + ... + 16476256256.
It is an arithmetic number, because the mean of its divisors is an integer number (1038004119621).
Almost surely, 212851479575870 is an apocalyptic number.
12851479575870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12851479575870 is an abundant number, since it is smaller than the sum of its proper divisors (20364652252002).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12851479575870 is a wasteful number, since it uses less digits than its factorization.
12851479575870 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32952511756.
The product of its (nonzero) digits is 197568000, while the sum is 69.
The spelling of 12851479575870 in words is "twelve trillion, eight hundred fifty-one billion, four hundred seventy-nine million, five hundred seventy-five thousand, eight hundred seventy".
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