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7057898497 = 13241762713
BaseRepresentation
bin1101001001010111…
…01111110000000001
3200012212200101121001
412210223233300001
5103423310222442
63124203132001
7336621101356
oct64453576001
920185611531
107057898497
112aa1aaa671
12144b814001
138862c8500
144ad50c62d
152b49542b7
hex1a4aefc01

7057898497 has 6 divisors (see below), whose sum is σ = 7642576662. Its totient is φ = 6514983072.

The previous prime is 7057898489. The next prime is 7057898501. The reversal of 7057898497 is 7948987507.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 612859536 + 6445038961 = 24756^2 + 80281^2 .

It is not a de Polignac number, because 7057898497 - 23 = 7057898489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7057898417) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20881188 + ... + 20881525.

It is an arithmetic number, because the mean of its divisors is an integer number (1273762777).

Almost surely, 27057898497 is an apocalyptic number.

It is an amenable number.

7057898497 is a deficient number, since it is larger than the sum of its proper divisors (584678165).

7057898497 is a wasteful number, since it uses less digits than its factorization.

7057898497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41762739 (or 41762726 counting only the distinct ones).

The product of its (nonzero) digits is 35562240, while the sum is 64.

The square root of 7057898497 is about 84011.2998173460. The cubic root of 7057898497 is about 1918.1907958239.

The spelling of 7057898497 in words is "seven billion, fifty-seven million, eight hundred ninety-eight thousand, four hundred ninety-seven".

Divisors: 1 13 169 41762713 542915269 7057898497