Search a number
-
+
316127305485 = 32541171342713
BaseRepresentation
bin1001001100110101010…
…01111101111100001101
31010012222110022000211200
410212122221331330031
520134412042233420
6401121001140113
731560633521565
oct4463251757415
91105873260750
10316127305485
11112083693642
125132648a639
1323a70099014
141142cd71da5
15835344eb90
hex499aa7df0d

316127305485 has 24 divisors (see below), whose sum is σ = 561318731064. Its totient is φ = 164489003520.

The previous prime is 316127305469. The next prime is 316127305489. The reversal of 316127305485 is 584503721613.

It is a happy number.

316127305485 is a `hidden beast` number, since 3 + 16 + 127 + 30 + 5 + 485 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 456377769 + 315670927716 = 21363^2 + 561846^2 .

It is not a de Polignac number, because 316127305485 - 24 = 316127305469 is a prime.

It is a super-2 number, since 2×3161273054852 (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 316127305485.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316127305489) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 85669512 + ... + 85673201.

It is an arithmetic number, because the mean of its divisors is an integer number (23388280461).

Almost surely, 2316127305485 is an apocalyptic number.

It is an amenable number.

316127305485 is a deficient number, since it is larger than the sum of its proper divisors (245191425579).

316127305485 is a wasteful number, since it uses less digits than its factorization.

316127305485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171342765 (or 171342762 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The spelling of 316127305485 in words is "three hundred sixteen billion, one hundred twenty-seven million, three hundred five thousand, four hundred eighty-five".

Divisors: 1 3 5 9 15 41 45 123 205 369 615 1845 171342713 514028139 856713565 1542084417 2570140695 7025051233 7710422085 21075153699 35125256165 63225461097 105375768495 316127305485