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102203012232 = 23321783499193
BaseRepresentation
bin101111100101111000…
…1100011010010001000
3100202210200222221220100
41133023301203102020
53133302432342412
6114541301125400
710245454161456
oct1371361432210
9322720887810
10102203012232
113a386a32872
12179836b9860
13983a057189
144d378839d6
1529d284dedc
hex17cbc63488

102203012232 has 48 divisors (see below), whose sum is σ = 293082170940. Its totient is φ = 32063689728.

The previous prime is 102203012227. The next prime is 102203012269. The reversal of 102203012232 is 232210302201.

It can be written as a sum of positive squares in 2 ways, for example, as 93963093156 + 8239919076 = 306534^2 + 90774^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41748373 + ... + 41750820.

Almost surely, 2102203012232 is an apocalyptic number.

102203012232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102203012232 is an abundant number, since it is smaller than the sum of its proper divisors (190879158708).

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

102203012232 is a wasteful number, since it uses less digits than its factorization.

102203012232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83499222 (or 83499215 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 102203012232 its reverse (232210302201), we get a palindrome (334413314433).

The spelling of 102203012232 in words is "one hundred two billion, two hundred three million, twelve thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 9 12 17 18 24 34 36 51 68 72 102 136 153 204 306 408 612 1224 83499193 166998386 250497579 333996772 500995158 667993544 751492737 1001990316 1419486281 1502985474 2003980632 2838972562 3005970948 4258458843 5677945124 6011941896 8516917686 11355890248 12775376529 17033835372 25550753058 34067670744 51101506116 102203012232