Search a number
-
+
20494672614 = 2321387584071
BaseRepresentation
bin10011000101100100…
…111110001011100110
31221220022100020111200
4103011210332023212
5313433114010424
613225355543330
71323606562053
oct230544761346
957808306450
1020494672614
118767787969
123b7b75ab46
131c18015c20
14dc5c9202a
157ee3d08c9
hex4c593e2e6

20494672614 has 24 divisors (see below), whose sum is σ = 47820903312. Its totient is φ = 6306053040.

The previous prime is 20494672613. The next prime is 20494672691. The reversal of 20494672614 is 41627649402.

20494672614 is a `hidden beast` number, since 20 + 4 + 9 + 4 + 6 + 7 + 2 + 614 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 20494672614.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20494672613) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43791802 + ... + 43792269.

It is an arithmetic number, because the mean of its divisors is an integer number (1992537638).

Almost surely, 220494672614 is an apocalyptic number.

20494672614 is an abundant number, since it is smaller than the sum of its proper divisors (27326230698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20494672614 is a wasteful number, since it uses less digits than its factorization.

20494672614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87584092 (or 87584089 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The spelling of 20494672614 in words is "twenty billion, four hundred ninety-four million, six hundred seventy-two thousand, six hundred fourteen".

Divisors: 1 2 3 6 9 13 18 26 39 78 117 234 87584071 175168142 262752213 525504426 788256639 1138592923 1576513278 2277185846 3415778769 6831557538 10247336307 20494672614