Base | Representation |
---|---|
bin | 1001001011111101010111… |
… | …01110001101010100100010 |
3 | 2122112022011221020120211221 |
4 | 10211332223232031110202 |
5 | 10121442411211211320 |
6 | 110544420000125254 |
7 | 4153361113326100 |
oct | 445765356152442 |
9 | 78468157216757 |
10 | 20202112210210 |
11 | 6489738747007 |
12 | 232337a60682a |
13 | b370880a7628 |
14 | 4dbb04a86c70 |
15 | 2507839853aa |
hex | 125fabb8d522 |
20202112210210 has 48 divisors (see below), whose sum is σ = 42303628166400. Its totient is φ = 6925967069280.
The previous prime is 20202112210139. The next prime is 20202112210223. The reversal of 20202112210210 is 1201221120202.
It is a happy 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, 5842191 + ... + 8633389.
It is an arithmetic number, because the mean of its divisors is an integer number (881325586800).
Almost surely, 220202112210210 is an apocalyptic number.
20202112210210 is an abundant number, since it is smaller than the sum of its proper divisors (22101515956190).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20202112210210 is a wasteful number, since it uses less digits than its factorization.
20202112210210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2805991 (or 2805984 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 16.
Adding to 20202112210210 its reverse (1201221120202), we get a palindrome (21403333330412).
The spelling of 20202112210210 in words is "twenty trillion, two hundred two billion, one hundred twelve million, two hundred ten thousand, two hundred ten".
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