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100031020200 = 23335227116833
BaseRepresentation
bin101110100101001010…
…0000011110010101000
3100120012100000022222000
41131022110003302220
53114330420121300
6113541551531000
710140601433256
oct1351224036250
9316170008860
10100031020200
11394719a3031
1217478229a60
139582080ba7
144bad2175d6
152906d15c00
hex174a503ca8

100031020200 has 192 divisors, whose sum is σ = 344728828800. Its totient is φ = 26661196800.

The previous prime is 100031020151. The next prime is 100031020247. The reversal of 100031020200 is 2020130001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14635984 + ... + 14642816.

It is an arithmetic number, because the mean of its divisors is an integer number (1795462650).

Almost surely, 2100031020200 is an apocalyptic number.

100031020200 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 100031020200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172364414400).

100031020200 is an abundant number, since it is smaller than the sum of its proper divisors (244697808600).

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

100031020200 is a wasteful number, since it uses less digits than its factorization.

100031020200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9569 (or 9554 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

Adding to 100031020200 its reverse (2020130001), we get a palindrome (102051150201).

The spelling of 100031020200 in words is "one hundred billion, thirty-one million, twenty thousand, two hundred".