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4311686142 = 232239538119
BaseRepresentation
bin1000000001111111…
…10001101111111110
3102010111012100110100
410000333301233332
532312242424032
61551502221530
7211563504351
oct40077615776
912114170410
104311686142
11191291a685
12a03b848a6
1353938169a
142cc8ca298
151a37e197c
hex100ff1bfe

4311686142 has 12 divisors (see below), whose sum is σ = 9341986680. Its totient is φ = 1437228708.

The previous prime is 4311686129. The next prime is 4311686147. The reversal of 4311686142 is 2416861134.

4311686142 is a `hidden beast` number, since 4 + 31 + 1 + 6 + 8 + 614 + 2 = 666.

It is a super-2 number, since 2×43116861422 = 37181274774229688328, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4311686097 and 4311686106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4311686147) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 119769042 + ... + 119769077.

It is an arithmetic number, because the mean of its divisors is an integer number (778498890).

Almost surely, 24311686142 is an apocalyptic number.

4311686142 is an abundant number, since it is smaller than the sum of its proper divisors (5030300538).

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

4311686142 is a wasteful number, since it uses less digits than its factorization.

4311686142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239538127 (or 239538124 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 4311686142 is about 65663.4307815240. The cubic root of 4311686142 is about 1627.6051174079.

The spelling of 4311686142 in words is "four billion, three hundred eleven million, six hundred eighty-six thousand, one hundred forty-two".

Divisors: 1 2 3 6 9 18 239538119 479076238 718614357 1437228714 2155843071 4311686142