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930487438457 is a prime number
BaseRepresentation
bin11011000101001010101…
…11111000110001111001
310021221202021021102110122
431202211113320301321
5110221114241012312
61551243211023025
7124140226504523
oct15424527706171
93257667242418
10930487438457
113296879a0625
1213040243aa75
136998ab28815
1433070476a13
151930dd3bb72
hexd8a55f8c79

930487438457 has 2 divisors, whose sum is σ = 930487438458. Its totient is φ = 930487438456.

The previous prime is 930487438423. The next prime is 930487438567. The reversal of 930487438457 is 754834784039.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 490638607936 + 439848830521 = 700456^2 + 663211^2 .

It is a cyclic number.

It is not a de Polignac number, because 930487438457 - 218 = 930487176313 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 930487438457.

It is not a weakly prime, because it can be changed into another prime (930487438057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 465243719228 + 465243719229.

It is an arithmetic number, because the mean of its divisors is an integer number (465243719229).

Almost surely, 2930487438457 is an apocalyptic number.

It is an amenable number.

930487438457 is a deficient number, since it is larger than the sum of its proper divisors (1).

930487438457 is an equidigital number, since it uses as much as digits as its factorization.

930487438457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81285120, while the sum is 62.

The spelling of 930487438457 in words is "nine hundred thirty billion, four hundred eighty-seven million, four hundred thirty-eight thousand, four hundred fifty-seven".