Search a number
-
+
2115114908 = 221731104631
BaseRepresentation
bin111111000010010…
…0001011110011100
312110101221222012012
41332010201132130
513312432134113
6545514130352
7103262115524
oct17604413634
95411858165
102115114908
11995a22155
124b04209b8
132792808aa
14160ca2684
15c5a50aa8
hex7e12179c

2115114908 has 12 divisors (see below), whose sum is σ = 3919183632. Its totient is φ = 995348160.

The previous prime is 2115114907. The next prime is 2115114919. The reversal of 2115114908 is 8094115112.

It is a super-2 number, since 2×21151149082 = 8947422148087696928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2115114907) 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, 15552248 + ... + 15552383.

It is an arithmetic number, because the mean of its divisors is an integer number (326598636).

Almost surely, 22115114908 is an apocalyptic number.

It is an amenable number.

2115114908 is a deficient number, since it is larger than the sum of its proper divisors (1804068724).

2115114908 is a wasteful number, since it uses less digits than its factorization.

2115114908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31104652 (or 31104650 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 32.

The square root of 2115114908 is about 45990.3784285365. The cubic root of 2115114908 is about 1283.6441781157.

The spelling of 2115114908 in words is "two billion, one hundred fifteen million, one hundred fourteen thousand, nine hundred eight".

Divisors: 1 2 4 17 34 68 31104631 62209262 124418524 528778727 1057557454 2115114908