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102550308312 = 233192941732591
BaseRepresentation
bin101111110000001111…
…0011000010111011000
3100210200220111102120010
41133200132120113120
53140010334331222
6115035545001520
710260202144464
oct1374036302730
9323626442503
10102550308312
113a544a80521
1217a5ba832a0
139893ca470a
144d6ba494a4
152a030a180c
hex17e07985d8

102550308312 has 256 divisors, whose sum is σ = 290013696000. Its totient is φ = 30075494400.

The previous prime is 102550308253. The next prime is 102550308323. The reversal of 102550308312 is 213803055201.

It is a self number, because there is not a number n which added to its sum of digits gives 102550308312.

It is a congruent number.

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 63 ways as a sum of consecutive naturals, for example, 39578137 + ... + 39580727.

It is an arithmetic number, because the mean of its divisors is an integer number (1132866000).

Almost surely, 2102550308312 is an apocalyptic number.

102550308312 is a gapful number since it is divisible by the number (12) 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 102550308312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145006848000).

102550308312 is an abundant number, since it is smaller than the sum of its proper divisors (187463387688).

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

102550308312 is a wasteful number, since it uses less digits than its factorization.

102550308312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2762 (or 2758 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The spelling of 102550308312 in words is "one hundred two billion, five hundred fifty million, three hundred eight thousand, three hundred twelve".