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12000568870 = 256827175781
BaseRepresentation
bin10110010110100101…
…00010011000100110
31010222100012001200201
423023102202120212
5144034121200440
65302445501114
7603246103153
oct131322423046
933870161621
1012000568870
1150a9010014
1223aab7179a
131193303734
1481bb2922a
154a383419a
hex2cb4a2626

12000568870 has 16 divisors (see below), whose sum is σ = 21604310928. Its totient is φ = 4799497120.

The previous prime is 12000568829. The next prime is 12000568873. The reversal of 12000568870 is 7886500021.

It is a super-2 number, since 2×120005688702 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12000568873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19621 + ... + 156160.

It is an arithmetic number, because the mean of its divisors is an integer number (1350269433).

Almost surely, 212000568870 is an apocalyptic number.

12000568870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12000568870 is a deficient number, since it is larger than the sum of its proper divisors (9603742058).

12000568870 is a wasteful number, since it uses less digits than its factorization.

12000568870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182615.

The product of its (nonzero) digits is 26880, while the sum is 37.

The spelling of 12000568870 in words is "twelve billion, five hundred sixty-eight thousand, eight hundred seventy".

Divisors: 1 2 5 10 6827 13654 34135 68270 175781 351562 878905 1757810 1200056887 2400113774 6000284435 12000568870