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31469709340 = 2251573485467
BaseRepresentation
bin11101010011101111…
…011010100000011100
310000020011210212120101
4131103233122200130
51003422221144330
622242413030444
72162564054506
oct352357324034
9100204725511
1031469709340
1112389915453
126123185424
132c76a0ccb4
141747704d76
15c42b8d4ca
hex753bda81c

31469709340 has 12 divisors (see below), whose sum is σ = 66086389656. Its totient is φ = 12587883728.

The previous prime is 31469709289. The next prime is 31469709361. The reversal of 31469709340 is 4390796413.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 786742714 + ... + 786742753.

It is an arithmetic number, because the mean of its divisors is an integer number (5507199138).

Almost surely, 231469709340 is an apocalyptic number.

It is an amenable number.

31469709340 is an abundant number, since it is smaller than the sum of its proper divisors (34616680316).

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

31469709340 is a wasteful number, since it uses less digits than its factorization.

31469709340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1573485476 (or 1573485474 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 46.

The spelling of 31469709340 in words is "thirty-one billion, four hundred sixty-nine million, seven hundred nine thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 1573485467 3146970934 6293941868 7867427335 15734854670 31469709340