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101031020200 = 23521145923191
BaseRepresentation
bin101111000010111101…
…0110000011010101000
3100122210000200121002001
41132011322300122220
53123402420121300
6114225113220344
710204433334205
oct1360572603250
9318700617061
10101031020200
1139935416910
12176b71016b4
1396b12bb076
144c65d64cac
1529649e716a
hex1785eb06a8

101031020200 has 48 divisors (see below), whose sum is σ = 256251411360. Its totient is φ = 36738552000.

The previous prime is 101031020183. The next prime is 101031020201. The reversal of 101031020200 is 2020130101.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (101031020201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22959396 + ... + 22963795.

It is an arithmetic number, because the mean of its divisors is an integer number (5338571070).

Almost surely, 2101031020200 is an apocalyptic number.

101031020200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101031020200 is an abundant number, since it is smaller than the sum of its proper divisors (155220391160).

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

101031020200 is a wasteful number, since it uses less digits than its factorization.

101031020200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45923218 (or 45923209 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 101031020200 its reverse (2020130101), we get a palindrome (103051150301).

The spelling of 101031020200 in words is "one hundred one billion, thirty-one million, twenty thousand, two hundred".

Divisors: 1 2 4 5 8 10 11 20 22 25 40 44 50 55 88 100 110 200 220 275 440 550 1100 2200 45923191 91846382 183692764 229615955 367385528 459231910 505155101 918463820 1010310202 1148079775 1836927640 2020620404 2296159550 2525775505 4041240808 4592319100 5051551010 9184638200 10103102020 12628877525 20206204040 25257755050 50515510100 101031020200