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7056158133649 = 503252812
BaseRepresentation
bin110011010101110001111…
…0011001000110110010001
3220222120011210101202021011
41212223203303020312101
51411102002440234044
623001315421130521
71325535114345322
oct146534363106621
926876153352234
107056158133649
112280555349349
1295b6450b9a41
133c2515150201
141a573c77a449
15c3830a16134
hex66ae3cc8d91

7056158133649 has 9 divisors (see below), whose sum is σ = 7071553225659. Its totient is φ = 7040796502080.

The previous prime is 7056158133547. The next prime is 7056158133667. The reversal of 7056158133649 is 9463318516507.

The square root of 7056158133649 is 2656343.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 931721076049 + 6124437057600 = 965257^2 + 2474760^2 .

It is not a de Polignac number, because 7056158133649 - 211 = 7056158131601 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7056158133593 and 7056158133602.

It is not an unprimeable number, because it can be changed into a prime (7056158136649) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1336137889 + ... + 1336143169.

Almost surely, 27056158133649 is an apocalyptic number.

7056158133649 is the 2656343-rd square number.

7056158133649 is the 1328172-nd centered octagonal number.

It is an amenable number.

7056158133649 is a deficient number, since it is larger than the sum of its proper divisors (15395092010).

7056158133649 is an frugal number, since it uses more digits than its factorization.

7056158133649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11568 (or 5784 counting only the distinct ones).

The product of its (nonzero) digits is 16329600, while the sum is 58.

The spelling of 7056158133649 in words is "seven trillion, fifty-six billion, one hundred fifty-eight million, one hundred thirty-three thousand, six hundred forty-nine".

Divisors: 1 503 5281 253009 2656343 27888961 1336140529 14028147383 7056158133649