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12992492697358 = 2101221773290023
BaseRepresentation
bin1011110100010000110011…
…1010010111011100001110
31201000001220011012001002111
42331010030322113130032
53200332111112303413
643344400241014234
72510451036521566
oct275041472273416
951001804161074
1012992492697358
11415a0a3461149
12155a04762437a
137332575414c5
1432cba8d71da6
15177e70560d3d
hexbd10ce9770e

12992492697358 has 16 divisors (see below), whose sum is σ = 19681853468256. Its totient is φ = 6431875898400.

The previous prime is 12992492697311. The next prime is 12992492697377. The reversal of 12992492697358 is 85379629429921.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44653135 + ... + 44943157.

It is an arithmetic number, because the mean of its divisors is an integer number (1230115841766).

Almost surely, 212992492697358 is an apocalyptic number.

12992492697358 is a deficient number, since it is larger than the sum of its proper divisors (6689360770898).

12992492697358 is a wasteful number, since it uses less digits than its factorization.

12992492697358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511899.

The product of its digits is 1058158080, while the sum is 76.

The spelling of 12992492697358 in words is "twelve trillion, nine hundred ninety-two billion, four hundred ninety-two million, six hundred ninety-seven thousand, three hundred fifty-eight".

Divisors: 1 2 101 202 221773 290023 443546 580046 22399073 29292323 44798146 58584646 64319270779 128638541558 6496246348679 12992492697358