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10100013109 = 25253399953
BaseRepresentation
bin10010110100000000…
…11111100000110101
3222001212221211022121
421122000133200311
5131141100404414
64350114155541
7505200460234
oct113200374065
928055854277
1010100013109
11431321537a
121b5a582bb1
13c4c636c24
146bb558b1b
153e1a66724
hex25a01f835

10100013109 has 4 divisors (see below), whose sum is σ = 10100438316. Its totient is φ = 10099587904.

The previous prime is 10100013101. The next prime is 10100013113. The reversal of 10100013109 is 90131000101.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9893286225 + 206726884 = 99465^2 + 14378^2 .

It is a cyclic number.

It is not a de Polignac number, because 10100013109 - 23 = 10100013101 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10100013092 and 10100013101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10100013101) 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, 174724 + ... + 225229.

It is an arithmetic number, because the mean of its divisors is an integer number (2525109579).

Almost surely, 210100013109 is an apocalyptic number.

It is an amenable number.

10100013109 is a deficient number, since it is larger than the sum of its proper divisors (425207).

10100013109 is an equidigital number, since it uses as much as digits as its factorization.

10100013109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425206.

The product of its (nonzero) digits is 27, while the sum is 16.

The spelling of 10100013109 in words is "ten billion, one hundred million, thirteen thousand, one hundred nine".

Divisors: 1 25253 399953 10100013109