Search a number
-
+
12851479575870 = 2351332952511733
BaseRepresentation
bin1011101100000011011111…
…0111111111110100111110
31200111120220201010020221020
42323000313313333310332
53141024312232411440
643155515504245010
72464326434001405
oct273006767776476
950446821106836
1012851479575870
114105311201921
121536852610766
13722b73ac9a50
1432602cd7c63c
1517446a91a3d0
hexbb037dffd3e

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".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 195 390 32952511733 65905023466 98857535199 164762558665 197715070398 329525117330 428382652529 494287675995 856765305058 988575351990 1285147957587 2141913262645 2570295915174 4283826525290 6425739787935 12851479575870