Base | Representation |
---|---|
bin | 10011000101100100… |
… | …111110001011100110 |
3 | 1221220022100020111200 |
4 | 103011210332023212 |
5 | 313433114010424 |
6 | 13225355543330 |
7 | 1323606562053 |
oct | 230544761346 |
9 | 57808306450 |
10 | 20494672614 |
11 | 8767787969 |
12 | 3b7b75ab46 |
13 | 1c18015c20 |
14 | dc5c9202a |
15 | 7ee3d08c9 |
hex | 4c593e2e6 |
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".
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