Search a number
-
+
315445530425 = 5241307751737
BaseRepresentation
bin1001001011100100000…
…01001100111100111001
31010011012221102021021112
410211302001030330321
520132013023433200
6400525204250105
731535014524314
oct4456201147471
91104187367245
10315445530425
11111863861983
12511760a0935
1323991a6b11c
14113a65bd97b
15831367c535
hex497204cf39

315445530425 has 12 divisors (see below), whose sum is σ = 400692762876. Its totient is φ = 246201388800.

The previous prime is 315445530353. The next prime is 315445530431. The reversal of 315445530425 is 524035544513.

It can be written as a sum of positive squares in 6 ways, for example, as 71380877584 + 244064652841 = 267172^2 + 494029^2 .

It is not a de Polignac number, because 315445530425 - 212 = 315445526329 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 153874844 + ... + 153876893.

It is an arithmetic number, because the mean of its divisors is an integer number (33391063573).

Almost surely, 2315445530425 is an apocalyptic number.

It is an amenable number.

315445530425 is a deficient number, since it is larger than the sum of its proper divisors (85247232451).

315445530425 is a wasteful number, since it uses less digits than its factorization.

315445530425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307751788 (or 307751783 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 41.

The spelling of 315445530425 in words is "three hundred fifteen billion, four hundred forty-five million, five hundred thirty thousand, four hundred twenty-five".

Divisors: 1 5 25 41 205 1025 307751737 1538758685 7693793425 12617821217 63089106085 315445530425