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103312113020 = 22510394971709
BaseRepresentation
bin110000000110111100…
…0011011110101111100
3100212122222222010011022
41200031320123311330
53143040400104040
6115243321043312
710315112320454
oct1401570336574
9325588863138
10103312113020
113a8a5aa3696
1218033026538
139985a7332c
145000cb0d64
152a49dd16b5
hex180de1bd7c

103312113020 has 24 divisors (see below), whose sum is σ = 217164292800. Its totient is φ = 41285063232.

The previous prime is 103312113019. The next prime is 103312113041. The reversal of 103312113020 is 20311213301.

It is a self number, because there is not a number n which added to its sum of digits gives 103312113020.

It is a congruent number.

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, 2465075 + ... + 2506634.

It is an arithmetic number, because the mean of its divisors is an integer number (9048512200).

Almost surely, 2103312113020 is an apocalyptic number.

103312113020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103312113020 is an abundant number, since it is smaller than the sum of its proper divisors (113852179780).

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

103312113020 is a wasteful number, since it uses less digits than its factorization.

103312113020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4972757 (or 4972755 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 103312113020 its reverse (20311213301), we get a palindrome (123623326321).

The spelling of 103312113020 in words is "one hundred three billion, three hundred twelve million, one hundred thirteen thousand, twenty".

Divisors: 1 2 4 5 10 20 1039 2078 4156 5195 10390 20780 4971709 9943418 19886836 24858545 49717090 99434180 5165605651 10331211302 20662422604 25828028255 51656056510 103312113020