Search a number
-
+
100115707220 = 2258360310667
BaseRepresentation
bin101110100111101011…
…1000111010101010100
3100120102020100212201022
41131033113013111110
53120014110112340
6113554215020312
710142650320224
oct1351727072524
9316366325638
10100115707220
1139505785701
12174a066a698
139596792759
144bba580084
15290e4933b5
hex174f5c7554

100115707220 has 24 divisors (see below), whose sum is σ = 212776036704. Its totient is φ = 39563796896.

The previous prime is 100115707213. The next prime is 100115707271. The reversal of 100115707220 is 22707511001.

It is a self number, because there is not a number n which added to its sum of digits gives 100115707220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30153674 + ... + 30156993.

It is an arithmetic number, because the mean of its divisors is an integer number (8865668196).

Almost surely, 2100115707220 is an apocalyptic number.

100115707220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100115707220 is an abundant number, since it is smaller than the sum of its proper divisors (112660329484).

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

100115707220 is a wasteful number, since it uses less digits than its factorization.

100115707220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60310759 (or 60310757 counting only the distinct ones).

The product of its (nonzero) digits is 980, while the sum is 26.

The spelling of 100115707220 in words is "one hundred billion, one hundred fifteen million, seven hundred seven thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 83 166 332 415 830 1660 60310667 120621334 241242668 301553335 603106670 1206213340 5005785361 10011570722 20023141444 25028926805 50057853610 100115707220