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20012010013 = 101571347003
BaseRepresentation
bin10010101000110011…
…110000101000011101
31220122200010102220001
4102220303300220131
5311441033310023
613105434454301
71305626164342
oct225063605035
956580112801
1020012010013
11853a292356
123a65b94391
131b6c021358
14d7bb307c9
157c1d3e6ad
hex4a8cf0a1d

20012010013 has 8 divisors (see below), whose sum is σ = 20245601376. Its totient is φ = 19779114000.

The previous prime is 20012009959. The next prime is 20012010023. The reversal of 20012010013 is 31001021002.

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 20012010013 - 221 = 20009912861 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 (20012010023) 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, 115831 + ... + 231172.

It is an arithmetic number, because the mean of its divisors is an integer number (2530700172).

Almost surely, 220012010013 is an apocalyptic number.

It is an amenable number.

20012010013 is a deficient number, since it is larger than the sum of its proper divisors (233591363).

20012010013 is a wasteful number, since it uses less digits than its factorization.

20012010013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347675.

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 20012010013 its reverse (31001021002), we get a palindrome (51013031015).

The spelling of 20012010013 in words is "twenty billion, twelve million, ten thousand, thirteen".

Divisors: 1 101 571 57671 347003 35047303 198138713 20012010013