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102203012120 = 23511232279573
BaseRepresentation
bin101111100101111000…
…1100011010000011000
3100202210200222221202012
41133023301203100120
53133302432341440
6114541301125052
710245454161236
oct1371361432030
9322720887665
10102203012120
113a386a32780
12179836b9788
13983a057101
144d37883956
1529d284de65
hex17cbc63418

102203012120 has 32 divisors (see below), whose sum is σ = 250861939920. Its totient is φ = 37164731520.

The previous prime is 102203012099. The next prime is 102203012159. The reversal of 102203012120 is 21210302201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 102203012095 and 102203012104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116139347 + ... + 116140226.

Almost surely, 2102203012120 is an apocalyptic number.

102203012120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102203012120 is an abundant number, since it is smaller than the sum of its proper divisors (148658927800).

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

102203012120 is a wasteful number, since it uses less digits than its factorization.

102203012120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232279595 (or 232279591 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 102203012120 its reverse (21210302201), we get a palindrome (123413314321).

The spelling of 102203012120 in words is "one hundred two billion, two hundred three million, twelve thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 220 440 232279573 464559146 929118292 1161397865 1858236584 2322795730 2555075303 4645591460 5110150606 9291182920 10220301212 12775376515 20440602424 25550753030 51101506060 102203012120