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101031112200 = 233521737535051
BaseRepresentation
bin101111000010111101…
…1000110111000001000
3100122210000212021021110
41132011323012320020
53123402431042300
6114225115210320
710204434166344
oct1360573067010
9318700767243
10101031112200
1139935479a47
12176b71469a0
1396b1320bc5
144c65d8a624
152964a14550
hex1785ec6e08

101031112200 has 384 divisors, whose sum is σ = 347077249920. Its totient is φ = 24201216000.

The previous prime is 101031112199. The next prime is 101031112213. The reversal of 101031112200 is 2211130101.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 19999675 + ... + 20004725.

It is an arithmetic number, because the mean of its divisors is an integer number (903847005).

Almost surely, 2101031112200 is an apocalyptic number.

101031112200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101031112200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173538624960).

101031112200 is an abundant number, since it is smaller than the sum of its proper divisors (246046137720).

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

101031112200 is a wasteful number, since it uses less digits than its factorization.

101031112200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5177 (or 5168 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 101031112200 its reverse (2211130101), we get a palindrome (103242242301).

The spelling of 101031112200 in words is "one hundred one billion, thirty-one million, one hundred twelve thousand, two hundred".