Base | Representation |
---|---|
bin | 10010111010110101… |
… | …011100111011010010 |
3 | 1221102202012122121100 |
4 | 102322311130323102 |
5 | 313100444142344 |
6 | 13155441005230 |
7 | 1316260630503 |
oct | 227265347322 |
9 | 57382178540 |
10 | 20314443474 |
11 | 8684a79066 |
12 | 3b2b323816 |
13 | 1bb9891970 |
14 | da9d78baa |
15 | 7dd67e569 |
hex | 4bad5ced2 |
20314443474 has 48 divisors (see below), whose sum is σ = 48502726272. Its totient is φ = 6105232224.
The previous prime is 20314443449. The next prime is 20314443491. The reversal of 20314443474 is 47434441302.
20314443474 is a `hidden beast` number, since 2 + 0 + 3 + 144 + 43 + 474 = 666.
It is a super-2 number, since 2×203144434742 (a number of 21 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 999402 + ... + 1019525.
It is an arithmetic number, because the mean of its divisors is an integer number (1010473464).
Almost surely, 220314443474 is an apocalyptic number.
20314443474 is an abundant number, since it is smaller than the sum of its proper divisors (28188282798).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20314443474 is a wasteful number, since it uses less digits than its factorization.
20314443474 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2018991 (or 2018988 counting only the distinct ones).
The product of its (nonzero) digits is 129024, while the sum is 36.
Adding to 20314443474 its reverse (47434441302), we get a palindrome (67748884776).
The spelling of 20314443474 in words is "twenty billion, three hundred fourteen million, four hundred forty-three thousand, four hundred seventy-four".
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