Search a number
-
+
162157167107 = 1312473628239
BaseRepresentation
bin1001011100000101010…
…0100000001000000011
3120111120000022120221222
42113001110200020003
510124044213321412
6202254410505255
714500256115065
oct2270124401003
9514500276858
10162157167107
11628525477a1
122751613522b
13123a3152170
147bc4201735
154341048072
hex25c1520203

162157167107 has 4 divisors (see below), whose sum is σ = 174630795360. Its totient is φ = 149683538856.

The previous prime is 162157167071. The next prime is 162157167157. The reversal of 162157167107 is 701761751261.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 162157167107 - 26 = 162157167043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (162157167157) 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, 6236814107 + ... + 6236814132.

It is an arithmetic number, because the mean of its divisors is an integer number (43657698840).

Almost surely, 2162157167107 is an apocalyptic number.

162157167107 is a deficient number, since it is larger than the sum of its proper divisors (12473628253).

162157167107 is a wasteful number, since it uses less digits than its factorization.

162157167107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12473628252.

The product of its (nonzero) digits is 123480, while the sum is 44.

The spelling of 162157167107 in words is "one hundred sixty-two billion, one hundred fifty-seven million, one hundred sixty-seven thousand, one hundred seven".

Divisors: 1 13 12473628239 162157167107