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102312030000 = 243543792173
BaseRepresentation
bin101111101001001000…
…1011010111100110000
3100210002022010122011110
41133102101122330300
53134013334430000
6115000153513320
710251246622515
oct1372221327460
9323068118143
10102312030000
113a4325234a4
12179b4112840
13985680742b
144d4814130c
1529dc1d5850
hex17d245af30

102312030000 has 200 divisors, whose sum is σ = 339206956528. Its totient is φ = 26545536000.

The previous prime is 102312029983. The next prime is 102312030061. The reversal of 102312030000 is 30213201.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (200).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1063914 + ... + 1156086.

Almost surely, 2102312030000 is an apocalyptic number.

102312030000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102312030000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169603478264).

102312030000 is an abundant number, since it is smaller than the sum of its proper divisors (236894926528).

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

102312030000 is an equidigital number, since it uses as much as digits as its factorization.

102312030000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92241 (or 92220 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 102312030000 its reverse (30213201), we get a palindrome (102342243201).

The spelling of 102312030000 in words is "one hundred two billion, three hundred twelve million, thirty thousand".