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1331312706892 = 227449105895061
BaseRepresentation
bin10011010111111000011…
…010111100010101001100
311201021100110201202221001
4103113320122330111030
5133303012023110032
62455332511350044
7165120112203130
oct23277032742514
94637313652831
101331312706892
11473674352353
12196025b22324
139870842617c
14486160a13c0
152496cdee3e7
hex135f86bc54c

1331312706892 has 24 divisors (see below), whose sum is σ = 2668555562400. Its totient is φ = 569291842560.

The previous prime is 1331312706877. The next prime is 1331312706931. The reversal of 1331312706892 is 2986072131331.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52934959 + ... + 52960102.

It is an arithmetic number, because the mean of its divisors is an integer number (111189815100).

Almost surely, 21331312706892 is an apocalyptic number.

It is an amenable number.

1331312706892 is an abundant number, since it is smaller than the sum of its proper divisors (1337242855508).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1331312706892 is a wasteful number, since it uses less digits than its factorization.

1331312706892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105895521 (or 105895519 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 46.

The spelling of 1331312706892 in words is "one trillion, three hundred thirty-one billion, three hundred twelve million, seven hundred six thousand, eight hundred ninety-two".

Divisors: 1 2 4 7 14 28 449 898 1796 3143 6286 12572 105895061 211790122 423580244 741265427 1482530854 2965061708 47546882389 95093764778 190187529556 332828176723 665656353446 1331312706892