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102044140013 = 621116429583
BaseRepresentation
bin101111100001001001…
…1100000000111101101
3100202101122001102012002
41133002103200013231
53132441244440023
6114513424022045
710241514610244
oct1370223400755
9322348042162
10102044140013
113a305290812
121793a461925
13981316cb4a
144d2072995b
1529c391ab28
hex17c24e01ed

102044140013 has 4 divisors (see below), whose sum is σ = 102060575808. Its totient is φ = 102027704220.

The previous prime is 102044140001. The next prime is 102044140067. The reversal of 102044140013 is 310041440201.

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, and also an emirpimes, since its reverse is a distinct semiprime: 310041440201 = 2811103350321.

It is a cyclic number.

It is not a de Polignac number, because 102044140013 - 224 = 102027362797 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 (102044140213) 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, 8208581 + ... + 8221002.

It is an arithmetic number, because the mean of its divisors is an integer number (25515143952).

Almost surely, 2102044140013 is an apocalyptic number.

It is an amenable number.

102044140013 is a deficient number, since it is larger than the sum of its proper divisors (16435795).

102044140013 is an equidigital number, since it uses as much as digits as its factorization.

102044140013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16435794.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 102044140013 its reverse (310041440201), we get a palindrome (412085580214).

The spelling of 102044140013 in words is "one hundred two billion, forty-four million, one hundred forty thousand, thirteen".

Divisors: 1 6211 16429583 102044140013