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103110001020 = 223251344064103
BaseRepresentation
bin110000000000111010…
…1011100000101111100
3100212010220122202121200
41200001311130011330
53142132130013040
6115211301055500
710310106355605
oct1400165340574
9325126582550
10103110001020
113a8019a8984
1217b973b7590
139952c29930
144dc20dcdac
152a372ab630
hex1801d5c17c

103110001020 has 72 divisors (see below), whose sum is σ = 336826010976. Its totient is φ = 25380922752.

The previous prime is 103110000949. The next prime is 103110001069. The reversal of 103110001020 is 20100011301.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 103110000993 and 103110001011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22029712 + ... + 22034391.

Almost surely, 2103110001020 is an apocalyptic number.

103110001020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103110001020 is an abundant number, since it is smaller than the sum of its proper divisors (233716009956).

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

103110001020 is a wasteful number, since it uses less digits than its factorization.

103110001020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44064131 (or 44064126 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

Adding to 103110001020 its reverse (20100011301), we get a palindrome (123210012321).

The spelling of 103110001020 in words is "one hundred three billion, one hundred ten million, one thousand, twenty".

Divisors: 1 2 3 4 5 6 9 10 12 13 15 18 20 26 30 36 39 45 52 60 65 78 90 117 130 156 180 195 234 260 390 468 585 780 1170 2340 44064103 88128206 132192309 176256412 220320515 264384618 396576927 440641030 528769236 572833339 660961545 793153854 881282060 1145666678 1321923090 1586307708 1718500017 1982884635 2291333356 2643846180 2864166695 3437000034 3965769270 5155500051 5728333390 6874000068 7931538540 8592500085 10311000102 11456666780 17185000170 20622000204 25777500255 34370000340 51555000510 103110001020