Search a number
-
+
157314907609 = 315074674439
BaseRepresentation
bin1001001010000010110…
…0101111110111011001
3120001001112202022200121
42102200230233313121
510034140104020414
6200134112233241
714236260436336
oct2224054576731
9501045668617
10157314907609
1160798189542
12265a453b821
1311ab0ba2762
14788508198d
15415ad9e724
hex24a0b2fdd9

157314907609 has 4 divisors (see below), whose sum is σ = 162389582080. Its totient is φ = 152240233140.

The previous prime is 157314907577. The next prime is 157314907619. The reversal of 157314907609 is 906709413751.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 157314907609 - 25 = 157314907577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157314907619) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2537337189 + ... + 2537337250.

It is an arithmetic number, because the mean of its divisors is an integer number (40597395520).

Almost surely, 2157314907609 is an apocalyptic number.

It is an amenable number.

157314907609 is a deficient number, since it is larger than the sum of its proper divisors (5074674471).

157314907609 is an equidigital number, since it uses as much as digits as its factorization.

157314907609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5074674470.

The product of its (nonzero) digits is 1428840, while the sum is 52.

The spelling of 157314907609 in words is "one hundred fifty-seven billion, three hundred fourteen million, nine hundred seven thousand, six hundred nine".

Divisors: 1 31 5074674439 157314907609