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102231122120 = 2352555778053
BaseRepresentation
bin101111100110101110…
…0110010000011001000
3100202212122220002102022
41133031130302003020
53133332131401440
6114544143424012
710246245125501
oct1371534620310
9322778802368
10102231122120
113a3a0892186
1217990bb5008
139842b19a4a
144d3b4bdba8
1529d5052cb5
hex17cd7320c8

102231122120 has 16 divisors (see below), whose sum is σ = 230020024860. Its totient is φ = 40892448832.

The previous prime is 102231122117. The next prime is 102231122129. The reversal of 102231122120 is 21221132201.

It can be written as a sum of positive squares in 2 ways, for example, as 100721177956 + 1509944164 = 317366^2 + 38858^2 .

It is not an unprimeable number, because it can be changed into a prime (102231122129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1277888987 + ... + 1277889066.

Almost surely, 2102231122120 is an apocalyptic number.

102231122120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102231122120 is an abundant number, since it is smaller than the sum of its proper divisors (127788902740).

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

102231122120 is a wasteful number, since it uses less digits than its factorization.

102231122120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2555778064 (or 2555778060 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 102231122120 its reverse (21221132201), we get a palindrome (123452254321).

The spelling of 102231122120 in words is "one hundred two billion, two hundred thirty-one million, one hundred twenty-two thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 2555778053 5111556106 10223112212 12778890265 20446224424 25557780530 51115561060 102231122120