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103312112001320 = 2355574636988869
BaseRepresentation
bin10111011111011000111001…
…101111001010000100101000
3111112210112121201101020202102
4113133120321233022010220
5102020131201133020240
61003420532401352532
730522024305504135
oct2737307157120450
9445715551336672
10103312112001320
112aa11469979aa2
12b7066b5338748
1345853a0bc2521
141b724936a158c
15be25b9bb8815
hex5df639bca128

103312112001320 has 32 divisors (see below), whose sum is σ = 232869581051400. Its totient is φ = 41250652969728.

The previous prime is 103312112001281. The next prime is 103312112001367. The reversal of 103312112001320 is 23100211213301.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 68532337037476 + 34779774963844 = 8278426^2 + 5897438^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 103312112001292 and 103312112001301.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2318472155 + ... + 2318516714.

Almost surely, 2103312112001320 is an apocalyptic number.

103312112001320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103312112001320 is an abundant number, since it is smaller than the sum of its proper divisors (129557469050080).

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

103312112001320 is a wasteful number, since it uses less digits than its factorization.

103312112001320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4636989437 (or 4636989433 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 103312112001320 its reverse (23100211213301), we get a palindrome (126412323214621).

The spelling of 103312112001320 in words is "one hundred three trillion, three hundred twelve billion, one hundred twelve million, one thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 557 1114 2228 2785 4456 5570 11140 22280 4636988869 9273977738 18547955476 23184944345 37095910952 46369888690 92739777380 185479554760 2582802800033 5165605600066 10331211200132 12914014000165 20662422400264 25828028000330 51656056000660 103312112001320