Search a number
-
+
100312010205 = 3511743818239
BaseRepresentation
bin101110101101100001…
…1111100110111011101
3100120220220202002210020
41131123003330313131
53120414333311310
6114025510302353
710150553006151
oct1353303746735
9316826662706
10100312010205
11395a6572a80
12175363579b9
1395c8354074
144bd867d061
15292181c170
hex175b0fcddd

100312010205 has 32 divisors (see below), whose sum is σ = 175325921280. Its totient is φ = 48570607680.

The previous prime is 100312010203. The next prime is 100312010209. The reversal of 100312010205 is 502010213001.

It is not a de Polignac number, because 100312010205 - 21 = 100312010203 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100312010203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 286525 + ... + 531714.

It is an arithmetic number, because the mean of its divisors is an integer number (5478935040).

Almost surely, 2100312010205 is an apocalyptic number.

100312010205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

100312010205 is a deficient number, since it is larger than the sum of its proper divisors (75013911075).

100312010205 is a wasteful number, since it uses less digits than its factorization.

100312010205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 819001.

The product of its (nonzero) digits is 60, while the sum is 15.

Adding to 100312010205 its reverse (502010213001), we get a palindrome (602322223206).

The spelling of 100312010205 in words is "one hundred billion, three hundred twelve million, ten thousand, two hundred five".

Divisors: 1 3 5 11 15 33 55 165 743 2229 3715 8173 11145 24519 40865 122595 818239 2454717 4091195 9000629 12273585 27001887 45003145 135009435 607951577 1823854731 3039757885 6687467347 9119273655 20062402041 33437336735 100312010205