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110130313021 = 409269267269
BaseRepresentation
bin110011010010001000…
…1110011011100111101
3101112021011121120020021
41212210101303130331
53301021330004041
6122332042452141
710646063133541
oct1464421633475
9345234546207
10110130313021
1142784766223
1219416504051
13a5014c4cc1
14548a625a21
152ce8788cd1
hex19a447373d

110130313021 has 4 divisors (see below), whose sum is σ = 110399580700. Its totient is φ = 109861045344.

The previous prime is 110130313001. The next prime is 110130313043. The reversal of 110130313021 is 120313031011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 63297024921 + 46833288100 = 251589^2 + 216410^2 .

It is a cyclic number.

It is not a de Polignac number, because 110130313021 - 25 = 110130312989 is a prime.

It is a super-2 number, since 2×1101303130212 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110130312986 and 110130313004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110130313001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134633226 + ... + 134634043.

It is an arithmetic number, because the mean of its divisors is an integer number (27599895175).

Almost surely, 2110130313021 is an apocalyptic number.

It is an amenable number.

110130313021 is a deficient number, since it is larger than the sum of its proper divisors (269267679).

110130313021 is an equidigital number, since it uses as much as digits as its factorization.

110130313021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269267678.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 110130313021 its reverse (120313031011), we get a palindrome (230443344032).

The spelling of 110130313021 in words is "one hundred ten billion, one hundred thirty million, three hundred thirteen thousand, twenty-one".

Divisors: 1 409 269267269 110130313021