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102331320220 = 2255116566011
BaseRepresentation
bin101111101001101101…
…1000000011110011100
3100210010122102200101001
41133103123000132130
53134033304221340
6115002123200044
710251602604313
oct1372333003634
9323118380331
10102331320220
113a4423a9528
12179ba676024
13985a7cc76c
144d4a92327a
1529ddc4629a
hex17d36c079c

102331320220 has 12 divisors (see below), whose sum is σ = 214895772504. Its totient is φ = 40932528080.

The previous prime is 102331320181. The next prime is 102331320241. The reversal of 102331320220 is 22023133201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2558282986 + ... + 2558283025.

It is an arithmetic number, because the mean of its divisors is an integer number (17907981042).

Almost surely, 2102331320220 is an apocalyptic number.

102331320220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102331320220 is an abundant number, since it is smaller than the sum of its proper divisors (112564452284).

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

102331320220 is a wasteful number, since it uses less digits than its factorization.

102331320220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5116566020 (or 5116566018 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 102331320220 its reverse (22023133201), we get a palindrome (124354453421).

The spelling of 102331320220 in words is "one hundred two billion, three hundred thirty-one million, three hundred twenty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 5116566011 10233132022 20466264044 25582830055 51165660110 102331320220