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103312320120 = 23325286978667
BaseRepresentation
bin110000000110111100…
…1001110011001111000
3100212200000100122020200
41200031321032121320
53143040423220440
6115243325322200
710315114142322
oct1401571163170
9325600318220
10103312320120
113a8a6125249
1218033106360
139985b16689
145000d26612
152a49e22c30
hex180de4e678

103312320120 has 48 divisors (see below), whose sum is σ = 335765041560. Its totient is φ = 27549951936.

The previous prime is 103312320101. The next prime is 103312320143. The reversal of 103312320120 is 21023213301.

103312320120 is a `hidden beast` number, since 1 + 0 + 331 + 2 + 320 + 12 + 0 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 103312320093 and 103312320102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 143488974 + ... + 143489693.

Almost surely, 2103312320120 is an apocalyptic number.

103312320120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103312320120 is an abundant number, since it is smaller than the sum of its proper divisors (232452721440).

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

103312320120 is a wasteful number, since it uses less digits than its factorization.

103312320120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286978684 (or 286978677 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 103312320120 its reverse (21023213301), we get a palindrome (124335533421).

The spelling of 103312320120 in words is "one hundred three billion, three hundred twelve million, three hundred twenty thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 36 40 45 60 72 90 120 180 360 286978667 573957334 860936001 1147914668 1434893335 1721872002 2295829336 2582808003 2869786670 3443744004 4304680005 5165616006 5739573340 6887488008 8609360010 10331232012 11479146680 12914040015 17218720020 20662464024 25828080030 34437440040 51656160060 103312320120