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100031012300 = 22521000310123
BaseRepresentation
bin101110100101001010…
…0000001110111001100
3100120012022222221010102
41131022110001313030
53114330414343200
6113541551430232
710140601401242
oct1351224016714
9316168887112
10100031012300
11394719980aa
1217478225378
13958207a40b
144bad214792
152906d136d5
hex174a501dcc

100031012300 has 18 divisors (see below), whose sum is σ = 217067296908. Its totient is φ = 40012404880.

The previous prime is 100031012293. The next prime is 100031012311. The reversal of 100031012300 is 3210130001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 500154962 + ... + 500155161.

Almost surely, 2100031012300 is an apocalyptic number.

100031012300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100031012300 is an abundant number, since it is smaller than the sum of its proper divisors (117036284608).

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

100031012300 is a wasteful number, since it uses less digits than its factorization.

100031012300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000310137 (or 1000310130 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 11.

Adding to 100031012300 its reverse (3210130001), we get a palindrome (103241142301).

The spelling of 100031012300 in words is "one hundred billion, thirty-one million, twelve thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 1000310123 2000620246 4001240492 5001550615 10003101230 20006202460 25007753075 50015506150 100031012300