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102300999972 = 22323370655797
BaseRepresentation
bin101111101000110011…
…1010110000100100100
3100210001112101020210220
41133101213112010210
53134003023444342
6114555121244340
710251054103143
oct1372147260444
9323045336726
10102300999972
113a42727a476
12179b04936b0
139854444aa2
144d468ad75a
1529db2575ec
hex17d19d6124

102300999972 has 24 divisors (see below), whose sum is σ = 249080696256. Its totient is φ = 32617710048.

The previous prime is 102300999971. The next prime is 102300999973. The reversal of 102300999972 is 279999003201.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (102300999971) and next prime (102300999973).

It is a super-2 number, since 2×1023009999722 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102300999971) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185327623 + ... + 185328174.

It is an arithmetic number, because the mean of its divisors is an integer number (10378362344).

Almost surely, 2102300999972 is an apocalyptic number.

102300999972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102300999972 is an abundant number, since it is smaller than the sum of its proper divisors (146779696284).

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

102300999972 is a wasteful number, since it uses less digits than its factorization.

102300999972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370655827 (or 370655825 counting only the distinct ones).

The product of its (nonzero) digits is 551124, while the sum is 51.

The spelling of 102300999972 in words is "one hundred two billion, three hundred million, nine hundred ninety-nine thousand, nine hundred seventy-two".

Divisors: 1 2 3 4 6 12 23 46 69 92 138 276 370655797 741311594 1111967391 1482623188 2223934782 4447869564 8525083331 17050166662 25575249993 34100333324 51150499986 102300999972