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70339977040 = 245879249713
BaseRepresentation
bin100000110000010010…
…1101101111101010000
320201120010002001200211
41001200211231331100
52123024013231130
652151433453504
75040042640234
oct1014045557520
9221503061624
1070339977040
11279160a0933
1211770871294
13682ca016b8
143593c345c4
151c6a3b9a2a
hex106096df50

70339977040 has 20 divisors (see below), whose sum is σ = 163540446804. Its totient is φ = 28135990784.

The previous prime is 70339977031. The next prime is 70339977047. The reversal of 70339977040 is 4077993307.

It can be written as a sum of positive squares in 2 ways, for example, as 8808197904 + 61531779136 = 93852^2 + 248056^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70339977047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 439624777 + ... + 439624936.

Almost surely, 270339977040 is an apocalyptic number.

It is an amenable number.

70339977040 is an abundant number, since it is smaller than the sum of its proper divisors (93200469764).

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

70339977040 is a wasteful number, since it uses less digits than its factorization.

70339977040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879249726 (or 879249720 counting only the distinct ones).

The product of its (nonzero) digits is 1000188, while the sum is 49.

The spelling of 70339977040 in words is "seventy billion, three hundred thirty-nine million, nine hundred seventy-seven thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 879249713 1758499426 3516998852 4396248565 7033997704 8792497130 14067995408 17584994260 35169988520 70339977040