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3142820943181 = 11303927802979
BaseRepresentation
bin101101101110111110101…
…110011101010101001101
3102010110011121001220202101
4231232332232131111031
5402442444130140211
610403443023555101
7443030014146403
oct55567656352515
912113147056671
103142820943181
111001954542217
1242912445ba91
1319a49c97293a
14ac18303b473
1556b42e3a5c1
hex2dbbeb9d54d

3142820943181 has 4 divisors (see below), whose sum is σ = 3142848859200. Its totient is φ = 3142793027164.

The previous prime is 3142820943169. The next prime is 3142820943263. The reversal of 3142820943181 is 1813490282413.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3142820943181 - 213 = 3142820934989 is a prime.

It is a super-2 number, since 2×31428209431812 (a number of 26 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 (3142820943121) 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, 13788451 + ... + 14014528.

It is an arithmetic number, because the mean of its divisors is an integer number (785712214800).

Almost surely, 23142820943181 is an apocalyptic number.

It is an amenable number.

3142820943181 is a deficient number, since it is larger than the sum of its proper divisors (27916019).

3142820943181 is a wasteful number, since it uses less digits than its factorization.

3142820943181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27916018.

The product of its (nonzero) digits is 331776, while the sum is 46.

The spelling of 3142820943181 in words is "three trillion, one hundred forty-two billion, eight hundred twenty million, nine hundred forty-three thousand, one hundred eighty-one".

Divisors: 1 113039 27802979 3142820943181