Base | Representation |
---|---|
bin | 10010111010110111… |
… | …100110010001111010 |
3 | 1221102210021020100101 |
4 | 102322313212101322 |
5 | 313101120143244 |
6 | 13155501030014 |
7 | 1316265462646 |
oct | 227267462172 |
9 | 57383236311 |
10 | 20315006074 |
11 | 8685322820 |
12 | 3b2b55530a |
13 | 1bb9a2aa6c |
14 | daa083c26 |
15 | 7dd7410d4 |
hex | 4bade647a |
20315006074 has 64 divisors (see below), whose sum is σ = 35458300800. Its totient is φ = 8632224000.
The previous prime is 20315006039. The next prime is 20315006077. The reversal of 20315006074 is 47060051302.
It is not an unprimeable number, because it can be changed into a prime (20315006077) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16422184 + ... + 16423420.
It is an arithmetic number, because the mean of its divisors is an integer number (554035950).
Almost surely, 220315006074 is an apocalyptic number.
20315006074 is a deficient number, since it is larger than the sum of its proper divisors (15143294726).
20315006074 is a wasteful number, since it uses less digits than its factorization.
20315006074 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1759.
The product of its (nonzero) digits is 5040, while the sum is 28.
Adding to 20315006074 its reverse (47060051302), we get a palindrome (67375057376).
The spelling of 20315006074 in words is "twenty billion, three hundred fifteen million, six thousand, seventy-four".
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