Search a number
-
+
2152872163 = 131716575879
BaseRepresentation
bin1000000001010010…
…0011100011100011
312120001000020102001
42000110203203203
513402113402123
6553343304431
7104231053141
oct20024434343
95501006361
102152872163
11a052707a2
12500bab117
13284040670
14165cd0591
15c900d0ad
hex805238e3

2152872163 has 16 divisors (see below), whose sum is σ = 2456758080. Its totient is φ = 1868921856.

The previous prime is 2152872149. The next prime is 2152872173. The reversal of 2152872163 is 3612782512.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2152872163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2152872143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 363258 + ... + 369136.

It is an arithmetic number, because the mean of its divisors is an integer number (153547380).

Almost surely, 22152872163 is an apocalyptic number.

2152872163 is a deficient number, since it is larger than the sum of its proper divisors (303885917).

2152872163 is a wasteful number, since it uses less digits than its factorization.

2152872163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7566.

The product of its digits is 40320, while the sum is 37.

The square root of 2152872163 is about 46399.0534709492. The cubic root of 2152872163 is about 1291.2373527180.

The spelling of 2152872163 in words is "two billion, one hundred fifty-two million, eight hundred seventy-two thousand, one hundred sixty-three".

Divisors: 1 13 17 221 1657 5879 21541 28169 76427 99943 366197 1299259 9741503 126639539 165605551 2152872163