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201013121312013 = 3109720785294717
BaseRepresentation
bin101101101101001000000011…
…101100001110010100001101
3222100201200000001010012022110
4231231020003230032110031
5202321344333023441023
61551304053023134233
760224501351345523
oct5555100354162415
9870650001105273
10201013121312013
115905a20564115a
121a665833744379
1388215c0ac256a
14378d130974313
151838c2c71ba93
hexb6d203b0e50d

201013121312013 has 16 divisors (see below), whose sum is σ = 270513904031360. Its totient is φ = 132760884275136.

The previous prime is 201013121311973. The next prime is 201013121312027. The reversal of 201013121312013 is 310213121310102.

It is not a de Polignac number, because 201013121312013 - 214 = 201013121295629 is a prime.

It is a super-2 number, since 2×2010131213120132 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201013121316013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40290670 + ... + 45004047.

It is an arithmetic number, because the mean of its divisors is an integer number (16907119001960).

Almost surely, 2201013121312013 is an apocalyptic number.

It is an amenable number.

201013121312013 is a deficient number, since it is larger than the sum of its proper divisors (69500782719347).

201013121312013 is a wasteful number, since it uses less digits than its factorization.

201013121312013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85302036.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 201013121312013 its reverse (310213121310102), we get a palindrome (511226242622115).

The spelling of 201013121312013 in words is "two hundred one trillion, thirteen billion, one hundred twenty-one million, three hundred twelve thousand, thirteen".

Divisors: 1 3 109 327 7207 21621 785563 2356689 85294717 255884151 9297124153 27891372459 614719025419 1844157076257 67004373770671 201013121312013