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12500006382 = 232694444799
BaseRepresentation
bin10111010010000111…
…01111010111101110
31012021010222010011100
423221003233113232
5201100000201012
65424210303530
7621522205203
oct135103572756
935233863140
1012500006382
115334a22896
12250a287ba6
13124291c7a6
148681b5caa
154d25da8dc
hex2e90ef5ee

12500006382 has 12 divisors (see below), whose sum is σ = 27083347200. Its totient is φ = 4166668788.

The previous prime is 12500006377. The next prime is 12500006419. The reversal of 12500006382 is 28360000521.

12500006382 is a `hidden beast` number, since 1 + 25 + 0 + 0 + 0 + 0 + 638 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 347222382 + ... + 347222417.

It is an arithmetic number, because the mean of its divisors is an integer number (2256945600).

Almost surely, 212500006382 is an apocalyptic number.

12500006382 is an abundant number, since it is smaller than the sum of its proper divisors (14583340818).

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

12500006382 is a wasteful number, since it uses less digits than its factorization.

12500006382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694444807 (or 694444804 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The spelling of 12500006382 in words is "twelve billion, five hundred million, six thousand, three hundred eighty-two".

Divisors: 1 2 3 6 9 18 694444799 1388889598 2083334397 4166668794 6250003191 12500006382