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8970079853 = 71281439979
BaseRepresentation
bin10000101101010100…
…01000111001101101
3212011010210021021202
420112222020321231
5121332320023403
64042031535245
7435200264210
oct102652107155
925133707252
108970079853
113893415839
1218a408a525
13acc505777
14611467777
1537776b688
hex216a88e6d

8970079853 has 4 divisors (see below), whose sum is σ = 10251519840. Its totient is φ = 7688639868.

The previous prime is 8970079849. The next prime is 8970079891. The reversal of 8970079853 is 3589700798.

8970079853 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 8970079853 - 22 = 8970079849 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8970679853) 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, 640719983 + ... + 640719996.

It is an arithmetic number, because the mean of its divisors is an integer number (2562879960).

Almost surely, 28970079853 is an apocalyptic number.

It is an amenable number.

8970079853 is a deficient number, since it is larger than the sum of its proper divisors (1281439987).

8970079853 is a wasteful number, since it uses less digits than its factorization.

8970079853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1281439986.

The product of its (nonzero) digits is 3810240, while the sum is 56.

The square root of 8970079853 is about 94710.5055049333. The cubic root of 8970079853 is about 2077.7762116103.

The spelling of 8970079853 in words is "eight billion, nine hundred seventy million, seventy-nine thousand, eight hundred fifty-three".

Divisors: 1 7 1281439979 8970079853