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3130871340 = 223552181189
BaseRepresentation
bin1011101010011101…
…0100111000101100
322002012021202001210
42322213110320230
522403000340330
61234401234420
7140404652532
oct27247247054
98065252053
103130871340
111367327a83
12734632a10
133ab8467bc
14219b52152
15134ce58b0
hexba9d4e2c

3130871340 has 24 divisors (see below), whose sum is σ = 8766439920. Its totient is φ = 834899008.

The previous prime is 3130871339. The next prime is 3130871399. The reversal of 3130871340 is 431780313.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 3130871298 and 3130871307.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26090535 + ... + 26090654.

It is an arithmetic number, because the mean of its divisors is an integer number (365268330).

Almost surely, 23130871340 is an apocalyptic number.

3130871340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3130871340 is an abundant number, since it is smaller than the sum of its proper divisors (5635568580).

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

3130871340 is a wasteful number, since it uses less digits than its factorization.

3130871340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52181201 (or 52181199 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 3130871340 is about 55954.1896554673. The cubic root of 3130871340 is about 1462.9239177286.

The spelling of 3130871340 in words is "three billion, one hundred thirty million, eight hundred seventy-one thousand, three hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 52181189 104362378 156543567 208724756 260905945 313087134 521811890 626174268 782717835 1043623780 1565435670 3130871340