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101111331320 = 23523109903621
BaseRepresentation
bin101111000101010110…
…1000111100111111000
3100122222121210211012222
41132022231013213320
53124034000100240
6114241102423212
710206430064336
oct1361255074770
9318877724188
10101111331320
113997678a83a
1217719b91b08
1396c4b29c3c
144c728acb56
15296baaceb5
hex178ab479f8

101111331320 has 32 divisors (see below), whose sum is σ = 237391823520. Its totient is φ = 38686074240.

The previous prime is 101111331283. The next prime is 101111331329. The reversal of 101111331320 is 23133111101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101111331329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54950891 + ... + 54952730.

It is an arithmetic number, because the mean of its divisors is an integer number (7418494485).

Almost surely, 2101111331320 is an apocalyptic number.

101111331320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101111331320 is an abundant number, since it is smaller than the sum of its proper divisors (136280492200).

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

101111331320 is a wasteful number, since it uses less digits than its factorization.

101111331320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109903655 (or 109903651 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 101111331320 its reverse (23133111101), we get a palindrome (124244442421).

It can be divided in two parts, 10111 and 1331320, that added together give a palindrome (1341431).

The spelling of 101111331320 in words is "one hundred one billion, one hundred eleven million, three hundred thirty-one thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 23 40 46 92 115 184 230 460 920 109903621 219807242 439614484 549518105 879228968 1099036210 2198072420 2527783283 4396144840 5055566566 10111133132 12638916415 20222266264 25277832830 50555665660 101111331320