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20012140013 = 193728466771
BaseRepresentation
bin10010101000110100…
…010000010111101101
31220122200101001012212
4102220310100113231
5311441101440023
613105441340205
71305630245345
oct225064202755
956580331185
1020012140013
11853a370a98
123a66037665
131b6c068588
14d7bb65d25
157c1d67e78
hex4a8d105ed

20012140013 has 8 divisors (see below), whose sum is σ = 21634746720. Its totient is φ = 18446466960.

The previous prime is 20012140003. The next prime is 20012140021. The reversal of 20012140013 is 31004121002.

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

It is a cyclic number.

It is not a de Polignac number, because 20012140013 - 26 = 20012139949 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20012140013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20012140003) 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, 14232683 + ... + 14234088.

It is an arithmetic number, because the mean of its divisors is an integer number (2704343340).

Almost surely, 220012140013 is an apocalyptic number.

It is an amenable number.

20012140013 is a deficient number, since it is larger than the sum of its proper divisors (1622606707).

20012140013 is a wasteful number, since it uses less digits than its factorization.

20012140013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28466827.

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

Adding to 20012140013 its reverse (31004121002), we get a palindrome (51016261015).

The spelling of 20012140013 in words is "twenty billion, twelve million, one hundred forty thousand, thirteen".

Divisors: 1 19 37 703 28466771 540868649 1053270527 20012140013