Search a number
-
+
2136163557 = 311195133179
BaseRepresentation
bin111111101010011…
…0100010011100101
312111212120100111210
41333110310103211
513333324213212
6551545222033
7103636043043
oct17724642345
95455510453
102136163557
119a6899330
124b7491919
13280740408
141639c1393
15c780c53c
hex7f5344e5

2136163557 has 16 divisors (see below), whose sum is σ = 3108833280. Its totient is φ = 1293942000.

The previous prime is 2136163553. The next prime is 2136163567. The reversal of 2136163557 is 7553616312.

It is not a de Polignac number, because 2136163557 - 22 = 2136163553 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2136163553) 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, 47794 + ... + 80972.

It is an arithmetic number, because the mean of its divisors is an integer number (194302080).

Almost surely, 22136163557 is an apocalyptic number.

It is an amenable number.

2136163557 is a deficient number, since it is larger than the sum of its proper divisors (972669723).

2136163557 is a wasteful number, since it uses less digits than its factorization.

2136163557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35144.

The product of its digits is 113400, while the sum is 39.

The square root of 2136163557 is about 46218.6494501949. The cubic root of 2136163557 is about 1287.8882093493. Note that the first 3 decimals are identical.

Adding to 2136163557 its reverse (7553616312), we get a palindrome (9689779869).

The spelling of 2136163557 in words is "two billion, one hundred thirty-six million, one hundred sixty-three thousand, five hundred fifty-seven".

Divisors: 1 3 11 33 1951 5853 21461 33179 64383 99537 364969 1094907 64732229 194196687 712054519 2136163557