Search a number
-
+
103102100220 = 22357307799613
BaseRepresentation
bin110000000000101011…
…1010011001011111100
3100212010100210100202110
41200001113103023330
53142123114201340
6115210415454020
710306652251320
oct1400127231374
9325110710673
10103102100220
113a7a84a1999
1217b94827310
1399513c16c2
144dc1043980
152a3674a680
hex18015d32fc

103102100220 has 96 divisors (see below), whose sum is σ = 331001814528. Its totient is φ = 23489402112.

The previous prime is 103102100113. The next prime is 103102100237. The reversal of 103102100220 is 22001201301.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 103102100196 and 103102100205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 270867 + ... + 528746.

It is an arithmetic number, because the mean of its divisors is an integer number (3447935568).

Almost surely, 2103102100220 is an apocalyptic number.

103102100220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103102100220 is an abundant number, since it is smaller than the sum of its proper divisors (227899714308).

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

103102100220 is a wasteful number, since it uses less digits than its factorization.

103102100220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 799939 (or 799937 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 103102100220 its reverse (22001201301), we get a palindrome (125103301521).

The spelling of 103102100220 in words is "one hundred three billion, one hundred two million, one hundred thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 307 420 614 921 1228 1535 1842 2149 3070 3684 4298 4605 6140 6447 8596 9210 10745 12894 18420 21490 25788 32235 42980 64470 128940 799613 1599226 2398839 3198452 3998065 4797678 5597291 7996130 9595356 11194582 11994195 15992260 16791873 22389164 23988390 27986455 33583746 47976780 55972910 67167492 83959365 111945820 167918730 245481191 335837460 490962382 736443573 981924764 1227405955 1472887146 1718368337 2454811910 2945774292 3436736674 3682217865 4909623820 5155105011 6873473348 7364435730 8591841685 10310210022 14728871460 17183683370 20620420044 25775525055 34367366740 51551050110 103102100220