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3142887288869 = 14921093203281
BaseRepresentation
bin101101101111000010101…
…011100011000000100101
3102010110100012220121221002
4231233002223203000211
5402443113121220434
610403453354003045
7443031451113146
oct55570253430045
912113305817832
103142887288869
111001988a37769
12429142716485
1319a4b0632043
14ac18bb8bacd
1556b48b9357e
hex2dbc2ae3025

3142887288869 has 4 divisors (see below), whose sum is σ = 3163980492300. Its totient is φ = 3121794085440.

The previous prime is 3142887288857. The next prime is 3142887288883. The reversal of 3142887288869 is 9688827882413.

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 1038487359844 + 2104399929025 = 1019062^2 + 1450655^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3142887288869 is a prime.

It is a super-2 number, since 2×31428872888692 (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3142887288796 and 3142887288805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3142887248869) 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, 10546601492 + ... + 10546601789.

It is an arithmetic number, because the mean of its divisors is an integer number (790995123075).

Almost surely, 23142887288869 is an apocalyptic number.

It is an amenable number.

3142887288869 is a deficient number, since it is larger than the sum of its proper divisors (21093203431).

3142887288869 is a wasteful number, since it uses less digits than its factorization.

3142887288869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21093203430.

The product of its digits is 594542592, while the sum is 74.

The spelling of 3142887288869 in words is "three trillion, one hundred forty-two billion, eight hundred eighty-seven million, two hundred eighty-eight thousand, eight hundred sixty-nine".

Divisors: 1 149 21093203281 3142887288869