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13100133021 = 373237125229
BaseRepresentation
bin11000011001101010…
…00010101010011101
31020210222012201010220
430030311002222131
5203312113224041
610003525151553
7642430202433
oct141465025235
936728181126
1013100133021
115612757918
12265725b5b9
13130a060c01
148c3b92d53
1551a130d66
hex30cd42a9d

13100133021 has 16 divisors (see below), whose sum is σ = 17714285760. Its totient is φ = 8609811840.

The previous prime is 13100133017. The next prime is 13100133029. The reversal of 13100133021 is 12033100131.

It is not a de Polignac number, because 13100133021 - 22 = 13100133017 is a prime.

It is a super-2 number, since 2×131001330212 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13100133029) 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, 506635 + ... + 531863.

It is an arithmetic number, because the mean of its divisors is an integer number (1107142860).

Almost surely, 213100133021 is an apocalyptic number.

It is an amenable number.

13100133021 is a deficient number, since it is larger than the sum of its proper divisors (4614152739).

13100133021 is a wasteful number, since it uses less digits than its factorization.

13100133021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27676.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 13100133021 its reverse (12033100131), we get a palindrome (25133233152).

The spelling of 13100133021 in words is "thirteen billion, one hundred million, one hundred thirty-three thousand, twenty-one".

Divisors: 1 3 73 219 2371 7113 25229 75687 173083 519249 1841717 5525151 59817959 179453877 4366711007 13100133021