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102110022220 = 2258096310879
BaseRepresentation
bin101111100011000111…
…0110100101001001100
3100202120020000120120211
41133012032310221030
53133110131202340
6114524140052204
710243244603533
oct1370616645114
9322506016524
10102110022220
113a33949a018
1217958534064
1398239c92bb
144d2939931a
1529c95d15ea
hex17c63b4a4c

102110022220 has 24 divisors (see below), whose sum is σ = 214696137600. Its totient is φ = 40793515392.

The previous prime is 102110022169. The next prime is 102110022241. The reversal of 102110022220 is 22220011201.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 102110022220.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3139260 + ... + 3171619.

It is an arithmetic number, because the mean of its divisors is an integer number (8945672400).

Almost surely, 2102110022220 is an apocalyptic number.

102110022220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102110022220 is an abundant number, since it is smaller than the sum of its proper divisors (112586115380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102110022220 is a wasteful number, since it uses less digits than its factorization.

102110022220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6311697 (or 6311695 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 102110022220 its reverse (22220011201), we get a palindrome (124330033421).

The spelling of 102110022220 in words is "one hundred two billion, one hundred ten million, twenty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 809 1618 3236 4045 8090 16180 6310879 12621758 25243516 31554395 63108790 126217580 5105501111 10211002222 20422004444 25527505555 51055011110 102110022220