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70051265540 = 2255701614377
BaseRepresentation
bin100000100111101100…
…0010111110000000100
320200210222210222222022
41001033120113300010
52121431110444130
652103041422312
75026635634604
oct1011730276004
9220728728868
1070051265540
1127788127693
12116b003a998
1367b4c56aa9
14356775cc04
151c4ed8a7e5
hex104f617c04

70051265540 has 24 divisors (see below), whose sum is σ = 147133700952. Its totient is φ = 28015545600.

The previous prime is 70051265513. The next prime is 70051265591. The reversal of 70051265540 is 4556215007.

It can be written as a sum of positive squares in 4 ways, for example, as 7269949696 + 62781315844 = 85264^2 + 250562^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 70051265540.

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, 193169 + ... + 421208.

It is an arithmetic number, because the mean of its divisors is an integer number (6130570873).

Almost surely, 270051265540 is an apocalyptic number.

It is an amenable number.

70051265540 is an abundant number, since it is smaller than the sum of its proper divisors (77082435412).

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

70051265540 is a wasteful number, since it uses less digits than its factorization.

70051265540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620087 (or 620085 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 35.

The spelling of 70051265540 in words is "seventy billion, fifty-one million, two hundred sixty-five thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 5701 11402 22804 28505 57010 114020 614377 1228754 2457508 3071885 6143770 12287540 3502563277 7005126554 14010253108 17512816385 35025632770 70051265540