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103103020311210 = 23252861400415629
BaseRepresentation
bin10111011100010110001010…
…111001101010001010101010
3111112001112220202110212001200
4113130112022321222022222
5102003214441144424320
61003140512413025030
730500642646454023
oct2734261271521252
9445045822425050
10103103020311210
112a940822091517
12b692080a85176
13456b75b12ba7a
141b662d9d3bc4a
15bdbe2d4a5290
hex5dc58ae6a2aa

103103020311210 has 48 divisors (see below), whose sum is σ = 268161550736040. Its totient is φ = 27484528705920.

The previous prime is 103103020311173. The next prime is 103103020311281. The reversal of 103103020311210 is 12113020301301.

103103020311210 is a `hidden beast` number, since 1 + 0 + 31 + 0 + 302 + 0 + 311 + 21 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 77339589369849 + 25763430941361 = 8794293^2 + 5075769^2 .

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

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, 199950325 + ... + 200465304.

Almost surely, 2103103020311210 is an apocalyptic number.

103103020311210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

103103020311210 is an abundant number, since it is smaller than the sum of its proper divisors (165058530424830).

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

103103020311210 is a wasteful number, since it uses less digits than its factorization.

103103020311210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400418503 (or 400418500 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 103103020311210 its reverse (12113020301301), we get a palindrome (115216040612511).

Subtracting from 103103020311210 its reverse (12113020301301), we obtain a palindrome (90990000009909).

The spelling of 103103020311210 in words is "one hundred three trillion, one hundred three billion, twenty million, three hundred eleven thousand, two hundred ten".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 2861 5722 8583 14305 17166 25749 28610 42915 51498 85830 128745 257490 400415629 800831258 1201246887 2002078145 2402493774 3603740661 4004156290 6006234435 7207481322 12012468870 18018703305 36037406610 1145589114569 2291178229138 3436767343707 5727945572845 6873534687414 10310302031121 11455891145690 17183836718535 20620604062242 34367673437070 51551510155605 103103020311210