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100031330142 = 23239713998227
BaseRepresentation
bin101110100101001010…
…1001111011101011110
3100120012100121002010100
41131022111033131132
53114331010031032
6113542002321530
710140604164012
oct1351225173536
9316170532110
10100031330142
1139472094987
12174783592a6
13958215bca3
144bad298542
152906d7797c
hex174a54f75e

100031330142 has 24 divisors (see below), whose sum is σ = 217280495016. Its totient is φ = 33259784976.

The previous prime is 100031330137. The next prime is 100031330149. The reversal of 100031330142 is 241033130001.

100031330142 is a `hidden beast` number, since 10 + 0 + 0 + 313 + 301 + 42 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100031330149) 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, 6991968 + ... + 7006259.

It is an arithmetic number, because the mean of its divisors is an integer number (9053353959).

Almost surely, 2100031330142 is an apocalyptic number.

100031330142 is an abundant number, since it is smaller than the sum of its proper divisors (117249164874).

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

100031330142 is a wasteful number, since it uses less digits than its factorization.

100031330142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13998632 (or 13998629 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 100031330142 its reverse (241033130001), we get a palindrome (341064460143).

The spelling of 100031330142 in words is "one hundred billion, thirty-one million, three hundred thirty thousand, one hundred forty-two".

Divisors: 1 2 3 6 9 18 397 794 1191 2382 3573 7146 13998227 27996454 41994681 83989362 125984043 251968086 5557296119 11114592238 16671888357 33343776714 50015665071 100031330142