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141290992081 = 318581443501
BaseRepresentation
bin1000001110010110011…
…0010111000111010001
3111111200210221001221201
42003211212113013101
54303330443221311
6144524100151201
713131215421421
oct2034546270721
9444623831851
10141290992081
1154a15099648
1223472098501
1310429194b35
146ba4c86481
153a1e2329c1
hex20e59971d1

141290992081 has 4 divisors (see below), whose sum is σ = 141291754164. Its totient is φ = 141290230000.

The previous prime is 141290992049. The next prime is 141290992097. The reversal of 141290992081 is 180299092141.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 5229603856 + 136061388225 = 72316^2 + 368865^2 .

It is a cyclic number.

It is not a de Polignac number, because 141290992081 - 25 = 141290992049 is a prime.

It is a super-2 number, since 2×1412909920812 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (141290962081) 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, 96831 + ... + 540331.

It is an arithmetic number, because the mean of its divisors is an integer number (35322938541).

Almost surely, 2141290992081 is an apocalyptic number.

It is an amenable number.

141290992081 is a deficient number, since it is larger than the sum of its proper divisors (762083).

141290992081 is an equidigital number, since it uses as much as digits as its factorization.

141290992081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762082.

The product of its (nonzero) digits is 93312, while the sum is 46.

The spelling of 141290992081 in words is "one hundred forty-one billion, two hundred ninety million, nine hundred ninety-two thousand, eighty-one".

Divisors: 1 318581 443501 141290992081