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3130575128 = 231920595889
BaseRepresentation
bin1011101010011000…
…1100100100011000
322002011201200201222
42322212030210120
522402411401003
61234351031212
7140402310122
oct27246144430
98064650658
103130575128
11136714547a
1273450b508
133ab771a25
14219ab6212
15134c87c38
hexba98c918

3130575128 has 16 divisors (see below), whose sum is σ = 6178767000. Its totient is φ = 1482903936.

The previous prime is 3130575121. The next prime is 3130575137. The reversal of 3130575128 is 8215750313.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3130575121) 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, 10297793 + ... + 10298096.

Almost surely, 23130575128 is an apocalyptic number.

3130575128 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

3130575128 is a deficient number, since it is larger than the sum of its proper divisors (3048191872).

3130575128 is a wasteful number, since it uses less digits than its factorization.

3130575128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20595914 (or 20595910 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 3130575128 is about 55951.5426775706. The cubic root of 3130575128 is about 1462.8777804887.

The spelling of 3130575128 in words is "three billion, one hundred thirty million, five hundred seventy-five thousand, one hundred twenty-eight".

Divisors: 1 2 4 8 19 38 76 152 20595889 41191778 82383556 164767112 391321891 782643782 1565287564 3130575128