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312100102320000 = 273546121318313
BaseRepresentation
bin100011011110110100111011…
…1101110111010111110000000
31111221001110220202012102112220
41012331221313232322332000
5311401422002143220000
63023440450242251040
7122511326324255121
oct10675516756727600
91457043822172486
10312100102320000
1190498a01365a05
122b007110956a80
131051bbb487a8c7
14570da22cac048
15261368e97b1a0
hex11bda77bbaf80

312100102320000 has 320 divisors, whose sum is σ = 1052920908518160. Its totient is φ = 81862318080000.

The previous prime is 312100102319987. The next prime is 312100102320011. The reversal of 312100102320000 is 23201001213.

It is a tau number, because it is divible by the number of its divisors (320).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3980844 + ... + 25299156.

Almost surely, 2312100102320000 is an apocalyptic number.

312100102320000 is a gapful number since it is divisible by the number (30) 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 312100102320000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (526460454259080).

312100102320000 is an abundant number, since it is smaller than the sum of its proper divisors (740820806198160).

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

312100102320000 is an equidigital number, since it uses as much as digits as its factorization.

312100102320000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21318411 (or 21318384 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 312100102320000 its reverse (23201001213), we get a palindrome (312123303321213).

The spelling of 312100102320000 in words is "three hundred twelve trillion, one hundred billion, one hundred two million, three hundred twenty thousand".