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70894782732 = 2235907898561
BaseRepresentation
bin100001000000110101…
…0001000100100001100
320202222210001010000210
41002001222020210030
52130143031021412
652322453122420
75056560465444
oct1020152104414
9222883033023
1070894782732
1128080290634
12118a6629410
1368ba9353a7
1436077b5124
151c9de5b83c
hex1081a8890c

70894782732 has 12 divisors (see below), whose sum is σ = 165421159736. Its totient is φ = 23631594240.

The previous prime is 70894782731. The next prime is 70894782737. The reversal of 70894782732 is 23728749807.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (70894782731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2953949269 + ... + 2953949292.

Almost surely, 270894782732 is an apocalyptic number.

It is an amenable number.

70894782732 is an abundant number, since it is smaller than the sum of its proper divisors (94526377004).

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

70894782732 is a wasteful number, since it uses less digits than its factorization.

70894782732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5907898568 (or 5907898566 counting only the distinct ones).

The product of its (nonzero) digits is 9483264, while the sum is 57.

The spelling of 70894782732 in words is "seventy billion, eight hundred ninety-four million, seven hundred eighty-two thousand, seven hundred thirty-two".

Divisors: 1 2 3 4 6 12 5907898561 11815797122 17723695683 23631594244 35447391366 70894782732