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20460115376131 = 45316145149771
BaseRepresentation
bin1001010011011101111011…
…11010001011100000000011
32200102222010121201101200211
410221232331322023200003
510140204304014014011
6111303125223254551
74211123506133104
oct451567572134003
980388117641624
1020460115376131
1165790a4810272
1223653832aa457
13b554c4247652
1450a3bc3483ab
152573341c2b21
hex129bbde8b803

20460115376131 has 4 divisors (see below), whose sum is σ = 20460160979064. Its totient is φ = 20460069773200.

The previous prime is 20460115376117. The next prime is 20460115376147. The reversal of 20460115376131 is 13167351106402.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 20460115376131 - 233 = 20451525441539 is a prime.

It is a super-2 number, since 2×204601153761312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20460115376111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22121725 + ... + 23028046.

It is an arithmetic number, because the mean of its divisors is an integer number (5115040244766).

Almost surely, 220460115376131 is an apocalyptic number.

20460115376131 is a deficient number, since it is larger than the sum of its proper divisors (45602933).

20460115376131 is an equidigital number, since it uses as much as digits as its factorization.

20460115376131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45602932.

The product of its (nonzero) digits is 90720, while the sum is 40.

The spelling of 20460115376131 in words is "twenty trillion, four hundred sixty billion, one hundred fifteen million, three hundred seventy-six thousand, one hundred thirty-one".

Divisors: 1 453161 45149771 20460115376131