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316380381813 = 3311717791919
BaseRepresentation
bin1001001101010011011…
…11011000001001110101
31010020122002111122022000
410212221233120021311
520140421334204223
6401202041325513
731600125605466
oct4465157301165
91106562448260
10316380381813
111121a3528631
1251397196899
1323ab0647a22
141145480cd6d
15836a790543
hex49a9bd8275

316380381813 has 8 divisors (see below), whose sum is σ = 468711676800. Its totient is φ = 210920254524.

The previous prime is 316380381797. The next prime is 316380381869. The reversal of 316380381813 is 318183083613.

316380381813 is a `hidden beast` number, since 3 + 1 + 638 + 0 + 3 + 8 + 1 + 8 + 1 + 3 = 666.

It is not a de Polignac number, because 316380381813 - 24 = 316380381797 is a prime.

It is a super-2 number, since 2×3163803818132 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316380181813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5858895933 + ... + 5858895986.

It is an arithmetic number, because the mean of its divisors is an integer number (58588959600).

Almost surely, 2316380381813 is an apocalyptic number.

It is an amenable number.

316380381813 is a deficient number, since it is larger than the sum of its proper divisors (152331294987).

316380381813 is a wasteful number, since it uses less digits than its factorization.

316380381813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11717791928 (or 11717791922 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The spelling of 316380381813 in words is "three hundred sixteen billion, three hundred eighty million, three hundred eighty-one thousand, eight hundred thirteen".

Divisors: 1 3 9 27 11717791919 35153375757 105460127271 316380381813