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7065657020 = 2253111396221
BaseRepresentation
bin1101001010010010…
…10101111010111100
3200020102021120021202
412211021111322330
5103432302011040
63125041315032
7340044044102
oct64511257274
920212246252
107065657020
112aa6419774
121452335a78
13887ab3a56
144b056bc72
152b5488015
hex1a5255ebc

7065657020 has 24 divisors (see below), whose sum is σ = 15316522368. Its totient is φ = 2735092800.

The previous prime is 7065656993. The next prime is 7065657031. The reversal of 7065657020 is 207565607.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 5697491 + ... + 5698730.

It is an arithmetic number, because the mean of its divisors is an integer number (638188432).

Almost surely, 27065657020 is an apocalyptic number.

It is an amenable number.

7065657020 is an abundant number, since it is smaller than the sum of its proper divisors (8250865348).

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

7065657020 is a wasteful number, since it uses less digits than its factorization.

7065657020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11396261 (or 11396259 counting only the distinct ones).

The product of its (nonzero) digits is 88200, while the sum is 38.

The square root of 7065657020 is about 84057.4626074330. The cubic root of 7065657020 is about 1918.8934071144.

The spelling of 7065657020 in words is "seven billion, sixty-five million, six hundred fifty-seven thousand, twenty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 11396221 22792442 45584884 56981105 113962210 227924420 353282851 706565702 1413131404 1766414255 3532828510 7065657020