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100672944100 = 2252317292
BaseRepresentation
bin101110111000010010…
…0110011011111100100
3100121212001220110000021
41131300210303133210
53122134233202400
6114125402324524
710162524622441
oct1356044633744
9317761813007
10100672944100
1139771285a53
12176171b9744
139655067c11
144c305949c8
15294336571a
hex17709337e4

100672944100 has 27 divisors (see below), whose sum is σ = 218467174107. Its totient is φ = 40267908480.

The previous prime is 100672944077. The next prime is 100672944103. The reversal of 100672944100 is 1449276001.

The square root of 100672944100 is 317290.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 16623976356 + 84048967744 = 128934^2 + 289912^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100672944103) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3157036 + ... + 3188764.

Almost surely, 2100672944100 is an apocalyptic number.

100672944100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100672944100 is the 317290-th square number.

It is an amenable number.

100672944100 is an abundant number, since it is smaller than the sum of its proper divisors (117794230007).

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

100672944100 is an frugal number, since it uses more digits than its factorization.

100672944100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63472 (or 31736 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The spelling of 100672944100 in words is "one hundred billion, six hundred seventy-two million, nine hundred forty-four thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 31729 63458 126916 158645 317290 634580 793225 1586450 3172900 1006729441 2013458882 4026917764 5033647205 10067294410 20134588820 25168236025 50336472050 100672944100