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70261706645 = 5131636631591
BaseRepresentation
bin100000101101111101…
…1001000111110010101
320201100122210111220022
41001123323020332111
52122343444103040
652140000114525
75035102436534
oct1013373107625
9221318714808
1070261706645
11278859a1159
121174a605a45
136819728660
14358769c31b
151c635a86b5
hex105bec8f95

70261706645 has 16 divisors (see below), whose sum is σ = 91356811392. Its totient is φ = 51567243840.

The previous prime is 70261706633. The next prime is 70261706651. The reversal of 70261706645 is 54660716207.

It is not a de Polignac number, because 70261706645 - 24 = 70261706629 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70261706596 and 70261706605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3305201 + ... + 3326390.

It is an arithmetic number, because the mean of its divisors is an integer number (5709800712).

Almost surely, 270261706645 is an apocalyptic number.

It is an amenable number.

70261706645 is a deficient number, since it is larger than the sum of its proper divisors (21095104747).

70261706645 is a wasteful number, since it uses less digits than its factorization.

70261706645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6631772.

The product of its (nonzero) digits is 423360, while the sum is 44.

The spelling of 70261706645 in words is "seventy billion, two hundred sixty-one million, seven hundred six thousand, six hundred forty-five".

Divisors: 1 5 13 65 163 815 2119 10595 6631591 33157955 86210683 431053415 1080949333 5404746665 14052341329 70261706645