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316105030405 = 563221006081
BaseRepresentation
bin1001001100110010101…
…00111111101100000101
31010012220220101100011201
410212121110333230011
520134340341433110
6401114443502501
731560243265633
oct4463124775405
91105826340151
10316105030405
11112072059a8a
125131ab27a31
1323a6859a1b8
141142a014353
1583514eeb3a
hex499953fb05

316105030405 has 4 divisors (see below), whose sum is σ = 379326036492. Its totient is φ = 252884024320.

The previous prime is 316105030313. The next prime is 316105030433. The reversal of 316105030405 is 504030501613.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 504030501613 = 617816905189.

It can be written as a sum of positive squares in 2 ways, for example, as 41870572129 + 274234458276 = 204623^2 + 523674^2 .

It is not a de Polignac number, because 316105030405 - 27 = 316105030277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31610503036 + ... + 31610503045.

It is an arithmetic number, because the mean of its divisors is an integer number (94831509123).

Almost surely, 2316105030405 is an apocalyptic number.

It is an amenable number.

316105030405 is a deficient number, since it is larger than the sum of its proper divisors (63221006087).

316105030405 is an equidigital number, since it uses as much as digits as its factorization.

316105030405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63221006086.

The product of its (nonzero) digits is 5400, while the sum is 28.

The spelling of 316105030405 in words is "three hundred sixteen billion, one hundred five million, thirty thousand, four hundred five".

Divisors: 1 5 63221006081 316105030405