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204023240013 = 3135915003881
BaseRepresentation
bin1011111000000010111…
…0111001010101001101
3201111121201201110020210
42332000232321111031
511320314422140023
6233421010033033
720511612632505
oct2760056712515
9644551643223
10204023240013
1179586888a4a
123365ab78779
13163159b9978
149c36564a05
15549178a593
hex2f80bb954d

204023240013 has 8 divisors (see below), whose sum is σ = 272051056576. Its totient is φ = 136005458400.

The previous prime is 204023239999. The next prime is 204023240021. The reversal of 204023240013 is 310042320402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 204023240013 - 216 = 204023174477 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 (204023240033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2461168 + ... + 2542713.

It is an arithmetic number, because the mean of its divisors is an integer number (34006382072).

Almost surely, 2204023240013 is an apocalyptic number.

It is an amenable number.

204023240013 is a deficient number, since it is larger than the sum of its proper divisors (68027816563).

204023240013 is a wasteful number, since it uses less digits than its factorization.

204023240013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5017475.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 204023240013 its reverse (310042320402), we get a palindrome (514065560415).

The spelling of 204023240013 in words is "two hundred four billion, twenty-three million, two hundred forty thousand, thirteen".

Divisors: 1 3 13591 40773 5003881 15011643 68007746671 204023240013