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8570745021653 = 13961660036127
BaseRepresentation
bin111110010111000100000…
…1101100110010011010101
31010100100120221211120112222
41330232020031212103111
52110410341211143103
630121202414352125
71543134023441213
oct174561015462325
933310527746488
108570745021653
112804918142581
12b650991bb645
134a22aa630099
14218b7d411cb3
15ece287c1638
hex7cb883664d5

8570745021653 has 4 divisors (see below), whose sum is σ = 8632405057920. Its totient is φ = 8509084985388.

The previous prime is 8570745021589. The next prime is 8570745021661. The reversal of 8570745021653 is 3561205470758.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8570745021653 - 26 = 8570745021589 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8570745021595 and 8570745021604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8570745021673) 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, 30830017925 + ... + 30830018202.

It is an arithmetic number, because the mean of its divisors is an integer number (2158101264480).

Almost surely, 28570745021653 is an apocalyptic number.

It is an amenable number.

8570745021653 is a deficient number, since it is larger than the sum of its proper divisors (61660036267).

8570745021653 is a wasteful number, since it uses less digits than its factorization.

8570745021653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61660036266.

The product of its (nonzero) digits is 7056000, while the sum is 53.

The spelling of 8570745021653 in words is "eight trillion, five hundred seventy billion, seven hundred forty-five million, twenty-one thousand, six hundred fifty-three".

Divisors: 1 139 61660036127 8570745021653