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100342344020 = 2255017117201
BaseRepresentation
bin101110101110011011…
…1101010100101010100
3100121000000211012221212
41131130313222211110
53121000120002040
6114032512400552
710151401565012
oct1353467524524
9317000735855
10100342344020
1139611701246
1217544546158
139601714c79
144bdc6d78b2
15292430ed65
hex175cdea954

100342344020 has 12 divisors (see below), whose sum is σ = 210718922484. Its totient is φ = 40136937600.

The previous prime is 100342344001. The next prime is 100342344029. The reversal of 100342344020 is 20443243001.

It can be written as a sum of positive squares in 2 ways, for example, as 24720643984 + 75621700036 = 157228^2 + 274994^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100342344029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2508558581 + ... + 2508558620.

It is an arithmetic number, because the mean of its divisors is an integer number (17559910207).

Almost surely, 2100342344020 is an apocalyptic number.

100342344020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100342344020 is an abundant number, since it is smaller than the sum of its proper divisors (110376578464).

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

100342344020 is a wasteful number, since it uses less digits than its factorization.

100342344020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5017117210 (or 5017117208 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 100342344020 its reverse (20443243001), we get a palindrome (120785587021).

The spelling of 100342344020 in words is "one hundred billion, three hundred forty-two million, three hundred forty-four thousand, twenty".

Divisors: 1 2 4 5 10 20 5017117201 10034234402 20068468804 25085586005 50171172010 100342344020