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101331441020 = 22543117827257
BaseRepresentation
bin101111001011111010…
…0110001010101111100
3100200112221222112222002
41132113310301111330
53130011322103040
6114315004241432
710215042015515
oct1362764612574
9320487875862
10101331441020
1139a79a58487
121777b840278
13972b605574
144c93c07a0c
15298108aa15
hex1797d3157c

101331441020 has 24 divisors (see below), whose sum is σ = 217744772784. Its totient is φ = 39589958016.

The previous prime is 101331441019. The next prime is 101331441077. The reversal of 101331441020 is 20144133101.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 101331440983 and 101331441001.

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, 58912769 + ... + 58914488.

It is an arithmetic number, because the mean of its divisors is an integer number (9072698866).

Almost surely, 2101331441020 is an apocalyptic number.

101331441020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101331441020 is an abundant number, since it is smaller than the sum of its proper divisors (116413331764).

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

101331441020 is a wasteful number, since it uses less digits than its factorization.

101331441020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117827309 (or 117827307 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 101331441020 its reverse (20144133101), we get a palindrome (121475574121).

The spelling of 101331441020 in words is "one hundred one billion, three hundred thirty-one million, four hundred forty-one thousand, twenty".

Divisors: 1 2 4 5 10 20 43 86 172 215 430 860 117827257 235654514 471309028 589136285 1178272570 2356545140 5066572051 10133144102 20266288204 25332860255 50665720510 101331441020