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10225556531 is a prime number
BaseRepresentation
bin10011000010111110…
…11001110000110011
3222101122012002111222
421201133121300303
5131420220302111
64410401055255
7511253540111
oct114137316063
928348162458
1010225556531
114378072a73
121b9462752b
13c6c652088
146d00b8ab1
153ecab47db
hex2617d9c33

10225556531 has 2 divisors, whose sum is σ = 10225556532. Its totient is φ = 10225556530.

The previous prime is 10225556527. The next prime is 10225556569. The reversal of 10225556531 is 13565552201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10225556531 - 22 = 10225556527 is a prime.

It is a super-2 number, since 2×102255565312 (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 10225556491 and 10225556500.

It is not a weakly prime, because it can be changed into another prime (10225556521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5112778265 + 5112778266.

It is an arithmetic number, because the mean of its divisors is an integer number (5112778266).

Almost surely, 210225556531 is an apocalyptic number.

10225556531 is a deficient number, since it is larger than the sum of its proper divisors (1).

10225556531 is an equidigital number, since it uses as much as digits as its factorization.

10225556531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45000, while the sum is 35.

The spelling of 10225556531 in words is "ten billion, two hundred twenty-five million, five hundred fifty-six thousand, five hundred thirty-one".