Base | Representation |
---|---|
bin | 100110011000… |
… | …0100111110110 |
3 | 1101212022100001 |
4 | 1030300213312 |
5 | 20122401402 |
6 | 1555141514 |
7 | 333015010 |
oct | 114604766 |
9 | 41768301 |
10 | 20122102 |
11 | 103a4040 |
12 | 68a489a |
13 | 4226b90 |
14 | 295b1b0 |
15 | 1b77187 |
hex | 13309f6 |
20122102 has 96 divisors (see below), whose sum is σ = 44593920. Its totient is φ = 6557760.
The previous prime is 20122093. The next prime is 20122133.
20122102 is nontrivially palindromic in base 10.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 874863 + ... + 874885.
It is an arithmetic number, because the mean of its divisors is an integer number (464520).
Almost surely, 220122102 is an apocalyptic number.
20122102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
20122102 is an abundant number, since it is smaller than the sum of its proper divisors (24471818).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20122102 is a wasteful number, since it uses less digits than its factorization.
20122102 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 98 (or 75 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 10.
The square root of 20122102 is about 4485.7666011508. The cubic root of 20122102 is about 271.9930343516.
It can be divided in two parts, 2012 and 2102, that multiplied together give a palindrome (4229224).
The spelling of 20122102 in words is "twenty million, one hundred twenty-two thousand, one hundred two".
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