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45356278831 is a prime number
BaseRepresentation
bin101010001111011100…
…011110010000101111
311100001221211200201221
4222033130132100233
51220342201410311
632500354244211
73163654003033
oct521734362057
9140057750657
1045356278831
1118265489666
128959886667
13437a985216
1422a3ad21c3
1512a6d67671
hexa8f71e42f

45356278831 has 2 divisors, whose sum is σ = 45356278832. Its totient is φ = 45356278830.

The previous prime is 45356278711. The next prime is 45356278867. The reversal of 45356278831 is 13887265354.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45356278831 - 211 = 45356276783 is a prime.

It is a super-2 number, since 2×453562788312 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45356678831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22678139415 + 22678139416.

It is an arithmetic number, because the mean of its divisors is an integer number (22678139416).

Almost surely, 245356278831 is an apocalyptic number.

45356278831 is a deficient number, since it is larger than the sum of its proper divisors (1).

45356278831 is an equidigital number, since it uses as much as digits as its factorization.

45356278831 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4838400, while the sum is 52.

The spelling of 45356278831 in words is "forty-five billion, three hundred fifty-six million, two hundred seventy-eight thousand, eight hundred thirty-one".