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12106510857946 = 223263185018651
BaseRepresentation
bin1011000000101100010001…
…0001110111011011011010
31120212101000120001022002001
42300023010101313123122
53041323113234423241
641425353155231214
72356444424245111
oct260130421673332
946771016038061
1012106510857946
11394838484393a
1214363a5ba850a
1369a84008239b
142dbd5b62cc78
1515edb8a53431
hexb02c44776da

12106510857946 has 8 divisors (see below), whose sum is σ = 18949321342944. Its totient is φ = 5790070410300.

The previous prime is 12106510857907. The next prime is 12106510857949. The reversal of 12106510857946 is 64975801560121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (12106510857949) 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, 131592509280 + ... + 131592509371.

It is an arithmetic number, because the mean of its divisors is an integer number (2368665167868).

Almost surely, 212106510857946 is an apocalyptic number.

12106510857946 is a deficient number, since it is larger than the sum of its proper divisors (6842810484998).

12106510857946 is a wasteful number, since it uses less digits than its factorization.

12106510857946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263185018676.

The product of its (nonzero) digits is 3628800, while the sum is 55.

The spelling of 12106510857946 in words is "twelve trillion, one hundred six billion, five hundred ten million, eight hundred fifty-seven thousand, nine hundred forty-six".

Divisors: 1 2 23 46 263185018651 526370037302 6053255428973 12106510857946