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515430275201 = 1731231549873
BaseRepresentation
bin1111000000000100000…
…10011101100010000001
31211021102012222220112122
413200002002131202001
531421100122301301
61032441351334025
752144562023412
oct7400202354201
91737365886478
10515430275201
11189657a53656
1283a88681315
13397b2b7872a
141ad3864d809
15d61a5db81b
hex780209d881

515430275201 has 12 divisors (see below), whose sum is σ = 563922447876. Its totient is φ = 469462095360.

The previous prime is 515430275183. The next prime is 515430275209. The reversal of 515430275201 is 102572034515.

It can be written as a sum of positive squares in 2 ways, for example, as 225814089601 + 289616185600 = 475199^2 + 538160^2 .

It is not a de Polignac number, because 515430275201 - 218 = 515430013057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (515430275209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15758600 + ... + 15791273.

It is an arithmetic number, because the mean of its divisors is an integer number (46993537323).

Almost surely, 2515430275201 is an apocalyptic number.

It is an amenable number.

515430275201 is a deficient number, since it is larger than the sum of its proper divisors (48492172675).

515430275201 is a wasteful number, since it uses less digits than its factorization.

515430275201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31549952 (or 31549921 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 35.

The spelling of 515430275201 in words is "five hundred fifteen billion, four hundred thirty million, two hundred seventy-five thousand, two hundred one".

Divisors: 1 17 31 527 961 16337 31549873 536347841 978046063 16626783071 30319427953 515430275201