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3143942868 = 2231123817749
BaseRepresentation
bin1011101101100100…
…1100001011010100
322010002212211211110
42323121030023110
522414322132433
61235545335020
7140624034123
oct27331141324
98102784743
103143942868
1113737458a0
12738a97470
133b1472431
1421b795aba
15136028963
hexbb64c2d4

3143942868 has 24 divisors (see below), whose sum is σ = 8002764000. Its totient is φ = 952709920.

The previous prime is 3143942843. The next prime is 3143942869. The reversal of 3143942868 is 8682493413.

3143942868 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3143942869) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11908743 + ... + 11909006.

It is an arithmetic number, because the mean of its divisors is an integer number (333448500).

Almost surely, 23143942868 is an apocalyptic number.

It is an amenable number.

3143942868 is an abundant number, since it is smaller than the sum of its proper divisors (4858821132).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3143942868 is a wasteful number, since it uses less digits than its factorization.

3143942868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23817767 (or 23817765 counting only the distinct ones).

The product of its digits is 995328, while the sum is 48.

The square root of 3143942868 is about 56070.8736154521. The cubic root of 3143942868 is about 1464.9570152057.

The spelling of 3143942868 in words is "three billion, one hundred forty-three million, nine hundred forty-two thousand, eight hundred sixty-eight".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 23817749 47635498 71453247 95270996 142906494 261995239 285812988 523990478 785985717 1047980956 1571971434 3143942868