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404111947231 is a prime number
BaseRepresentation
bin1011110000101101111…
…00101111010111011111
31102122002020220221011201
411320112330233113133
523110110124302411
6505351345300331
741124161606236
oct5702674572737
91378066827151
10404111947231
111464237281a3
12663a03346a7
132c1524c7505
14157b8337b1d
15a7a28d33c1
hex5e16f2f5df

404111947231 has 2 divisors, whose sum is σ = 404111947232. Its totient is φ = 404111947230.

The previous prime is 404111947201. The next prime is 404111947241. The reversal of 404111947231 is 132749111404.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 404111947231 - 27 = 404111947103 is a prime.

It is a super-2 number, since 2×4041119472312 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (404111947201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202055973615 + 202055973616.

It is an arithmetic number, because the mean of its divisors is an integer number (202055973616).

Almost surely, 2404111947231 is an apocalyptic number.

404111947231 is a deficient number, since it is larger than the sum of its proper divisors (1).

404111947231 is an equidigital number, since it uses as much as digits as its factorization.

404111947231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 37.

The spelling of 404111947231 in words is "four hundred four billion, one hundred eleven million, nine hundred forty-seven thousand, two hundred thirty-one".