Search a number
-
+
315477663660245 = 5412297669967537
BaseRepresentation
bin100011110111011001101111…
…0000100111011100011010101
31112101000100222210202001110102
41013232303132010323203111
5312322241223344111440
63034544234331503445
7123310336413046142
oct10756633604734325
91471010883661412
10315477663660245
1191580364717879
122b4718272b7b85
131070555403aa78
1457c92b3c3b3c9
152671470bdbb15
hex11eecde13b8d5

315477663660245 has 16 divisors (see below), whose sum is σ = 387975521385648. Its totient is φ = 246119274024960.

The previous prime is 315477663660221. The next prime is 315477663660317. The reversal of 315477663660245 is 542066366774513.

It can be written as a sum of positive squares in 8 ways, for example, as 33138925681 + 315444524734564 = 182041^2 + 17760758^2 .

It is not a de Polignac number, because 315477663660245 - 214 = 315477663643861 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 15 ways as a sum of consecutive naturals, for example, 334512884 + ... + 335454653.

It is an arithmetic number, because the mean of its divisors is an integer number (24248470086603).

Almost surely, 2315477663660245 is an apocalyptic number.

It is an amenable number.

315477663660245 is a deficient number, since it is larger than the sum of its proper divisors (72497857725403).

315477663660245 is a wasteful number, since it uses less digits than its factorization.

315477663660245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669969880.

The product of its (nonzero) digits is 457228800, while the sum is 65.

The spelling of 315477663660245 in words is "three hundred fifteen trillion, four hundred seventy-seven billion, six hundred sixty-three million, six hundred sixty thousand, two hundred forty-five".

Divisors: 1 5 41 205 2297 11485 94177 470885 669967537 3349837685 27468669017 137343345085 1538915432489 7694577162445 63095532732049 315477663660245