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55065006131 is a prime number
BaseRepresentation
bin110011010010001000…
…010101000000110011
312021010120112010211112
4303102020111000303
51400233120144011
641144014103535
73656363554322
oct632210250063
9167116463745
1055065006131
1121397840133
12a8091aabab
13526720c085
1429452b40b9
15167438c58b
hexcd2215033

55065006131 has 2 divisors, whose sum is σ = 55065006132. Its totient is φ = 55065006130.

The previous prime is 55065006127. The next prime is 55065006137. The reversal of 55065006131 is 13160056055.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55065006131 - 22 = 55065006127 is a prime.

It is a super-2 number, since 2×550650061312 (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (55065006137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27532503065 + 27532503066.

It is an arithmetic number, because the mean of its divisors is an integer number (27532503066).

Almost surely, 255065006131 is an apocalyptic number.

55065006131 is a deficient number, since it is larger than the sum of its proper divisors (1).

55065006131 is an equidigital number, since it uses as much as digits as its factorization.

55065006131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13500, while the sum is 32.

The spelling of 55065006131 in words is "fifty-five billion, sixty-five million, six thousand, one hundred thirty-one".