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1312112013300 = 22325211405132717
BaseRepresentation
bin10011000101111111111…
…110000110111111110100
311122102210100020110221100
4103011333332012333310
5132444201133411200
62442435334050100
7163540234043454
oct23057776067764
94572710213840
101312112013300
11466511030040
121923677a9930
139696851a80a
1447714003d64
15241e741ed00
hex1317ff86ff4

1312112013300 has 216 divisors, whose sum is σ = 4487872570272. Its totient is φ = 317999520000.

The previous prime is 1312112013299. The next prime is 1312112013371. The reversal of 1312112013300 is 33102112131.

1312112013300 is a `hidden beast` number, since 1 + 312 + 1 + 1 + 20 + 1 + 330 + 0 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 40088542 + ... + 40121258.

Almost surely, 21312112013300 is an apocalyptic number.

1312112013300 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 1312112013300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2243936285136).

1312112013300 is an abundant number, since it is smaller than the sum of its proper divisors (3175760556972).

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

1312112013300 is a wasteful number, since it uses less digits than its factorization.

1312112013300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36799 (or 36789 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 1312112013300 its reverse (33102112131), we get a palindrome (1345214125431).

The spelling of 1312112013300 in words is "one trillion, three hundred twelve billion, one hundred twelve million, thirteen thousand, three hundred".