Base | Representation |
---|---|
bin | 101111100000011011… |
… | …1011111111111000010 |
3 | 100202022221200002210010 |
4 | 1133000313133333002 |
5 | 3132414111202320 |
6 | 114511203045350 |
7 | 10241102611041 |
oct | 1370067377702 |
9 | 322287602703 |
10 | 102020022210 |
11 | 3a2a2708747 |
12 | 17932370856 |
13 | 980b177362 |
14 | 4d1b44c558 |
15 | 29c1754ae0 |
hex | 17c0ddffc2 |
102020022210 has 32 divisors (see below), whose sum is σ = 244876675392. Its totient is φ = 27202159040.
The previous prime is 102020022199. The next prime is 102020022211. The reversal of 102020022210 is 12220020201.
It is not an unprimeable number, because it can be changed into a prime (102020022211) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68020 + ... + 456800.
It is an arithmetic number, because the mean of its divisors is an integer number (7652396106).
Almost surely, 2102020022210 is an apocalyptic number.
102020022210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
102020022210 is an abundant number, since it is smaller than the sum of its proper divisors (142856653182).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102020022210 is a wasteful number, since it uses less digits than its factorization.
102020022210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 397538.
The product of its (nonzero) digits is 32, while the sum is 12.
Adding to 102020022210 its reverse (12220020201), we get a palindrome (114240042411).
The spelling of 102020022210 in words is "one hundred two billion, twenty million, twenty-two thousand, two hundred ten".
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