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3125630830 = 25744651869
BaseRepresentation
bin1011101001001101…
…0101011101101110
322001211102111102211
42322103111131232
522400130141310
61234053041034
7140312265220
oct27223253556
98054374384
103125630830
111364378783
1273292617a
133aa7303ca
1421918a410
1513460cc8a
hexba4d576e

3125630830 has 16 divisors (see below), whose sum is σ = 6429869280. Its totient is φ = 1071644832.

The previous prime is 3125630819. The next prime is 3125630843. The reversal of 3125630830 is 380365213.

It is a junction number, because it is equal to n+sod(n) for n = 3125630792 and 3125630801.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22325865 + ... + 22326004.

It is an arithmetic number, because the mean of its divisors is an integer number (401866830).

Almost surely, 23125630830 is an apocalyptic number.

3125630830 is an abundant number, since it is smaller than the sum of its proper divisors (3304238450).

3125630830 is a wasteful number, since it uses less digits than its factorization.

3125630830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44651883.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 3125630830 is about 55907.3414678251. The cubic root of 3125630830 is about 1462.1072389201.

The spelling of 3125630830 in words is "three billion, one hundred twenty-five million, six hundred thirty thousand, eight hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 44651869 89303738 223259345 312563083 446518690 625126166 1562815415 3125630830