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316380435891 = 31319593720007
BaseRepresentation
bin1001001101010011011…
…11100101010110110011
31010020122002121101110220
410212221233211112303
520140421342422031
6401202042424123
731600126222242
oct4465157452663
91106562541426
10316380435891
111121a3565223
1251397202043
1323ab0666520
1411454824959
15836a7a1596
hex49a9be55b3

316380435891 has 32 divisors (see below), whose sum is σ = 479006922240. Its totient is φ = 184137214464.

The previous prime is 316380435881. The next prime is 316380435901. The reversal of 316380435891 is 198534083613.

It is an interprime number because it is at equal distance from previous prime (316380435881) and next prime (316380435901).

It is not a de Polignac number, because 316380435891 - 29 = 316380435379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (316380435881) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 79410 + ... + 799416.

It is an arithmetic number, because the mean of its divisors is an integer number (14968966320).

Almost surely, 2316380435891 is an apocalyptic number.

316380435891 is a deficient number, since it is larger than the sum of its proper divisors (162626486349).

316380435891 is a wasteful number, since it uses less digits than its factorization.

316380435891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720635.

The product of its (nonzero) digits is 1866240, while the sum is 51.

The spelling of 316380435891 in words is "three hundred sixteen billion, three hundred eighty million, four hundred thirty-five thousand, eight hundred ninety-one".

Divisors: 1 3 13 19 39 57 247 593 741 1779 7709 11267 23127 33801 146471 439413 720007 2160021 9360091 13680133 28080273 41040399 177841729 426964151 533525187 1280892453 5550533963 8112318869 16651601889 24336956607 105460145297 316380435891