Base | Representation |
---|---|
bin | 10010101110001011… |
… | …000111110000000110 |
3 | 1220212221111102112001 |
4 | 102232023013300012 |
5 | 312132104120402 |
6 | 13122412015514 |
7 | 1311101231413 |
oct | 225613076006 |
9 | 56787442461 |
10 | 20102020102 |
11 | 858608025a |
12 | 3a9016159a |
13 | 1b84877a68 |
14 | d89a8110a |
15 | 7c9bbe187 |
hex | 4ae2c7c06 |
20102020102 has 48 divisors (see below), whose sum is σ = 33511932720. Its totient is φ = 9016920000.
The previous prime is 20102020097. The next prime is 20102020139.
20102020102 is nontrivially palindromic in base 10.
It is a congruent number.
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, 2025352 + ... + 2035252.
It is an arithmetic number, because the mean of its divisors is an integer number (698165265).
Almost surely, 220102020102 is an apocalyptic number.
20102020102 is a deficient number, since it is larger than the sum of its proper divisors (13409912618).
20102020102 is a wasteful number, since it uses less digits than its factorization.
20102020102 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10069 (or 10046 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 10.
It can be divided in two parts, 201020 and 20102, that added together give a palindrome (221122).
The spelling of 20102020102 in words is "twenty billion, one hundred two million, twenty thousand, one hundred two".
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