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100144013 = 186753639
BaseRepresentation
bin1011111100000…
…01001110001101
320222102211202112
411332001032031
5201114102023
613534233405
72324132024
oct576011615
9228384675
10100144013
115158a752
1229655865
1317994218
14d42b8bb
158bd2478
hex5f8138d

100144013 has 4 divisors (see below), whose sum is σ = 100199520. Its totient is φ = 100088508.

The previous prime is 100144007. The next prime is 100144019. The reversal of 100144013 is 310441001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (100144007) and next prime (100144019).

It is a cyclic number.

It is not a de Polignac number, because 100144013 - 24 = 100143997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100144019) 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, 24953 + ... + 28686.

It is an arithmetic number, because the mean of its divisors is an integer number (25049880).

Almost surely, 2100144013 is an apocalyptic number.

It is an amenable number.

100144013 is a deficient number, since it is larger than the sum of its proper divisors (55507).

100144013 is an equidigital number, since it uses as much as digits as its factorization.

100144013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55506.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 100144013 is about 10007.1980593970. The cubic root of 100144013 is about 464.3815928628.

Adding to 100144013 its reverse (310441001), we get a palindrome (410585014).

The spelling of 100144013 in words is "one hundred million, one hundred forty-four thousand, thirteen".

Divisors: 1 1867 53639 100144013