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100210013 = 277361769
BaseRepresentation
bin1011111100100…
…01010101011101
320222120012021222
411332101111131
5201123210023
613535503125
72324525321
oct576212535
9228505258
10100210013
11516252a2
1229687aa5
13179b8287
14d447981
158be6cc8
hex5f9155d

100210013 has 4 divisors (see below), whose sum is σ = 100572060. Its totient is φ = 99847968.

The previous prime is 100210001. The next prime is 100210043. The reversal of 100210013 is 310012001.

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 56821444 + 43388569 = 7538^2 + 6587^2 .

It is a cyclic number.

It is not a de Polignac number, because 100210013 - 24 = 100209997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100210043) 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, 180608 + ... + 181161.

It is an arithmetic number, because the mean of its divisors is an integer number (25143015).

Almost surely, 2100210013 is an apocalyptic number.

It is an amenable number.

100210013 is a deficient number, since it is larger than the sum of its proper divisors (362047).

100210013 is an equidigital number, since it uses as much as digits as its factorization.

100210013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362046.

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 100210013 is about 10010.4951425991. The cubic root of 100210013 is about 464.4835874922.

Adding to 100210013 its reverse (310012001), we get a palindrome (410222014).

The spelling of 100210013 in words is "one hundred million, two hundred ten thousand, thirteen".

Divisors: 1 277 361769 100210013