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8112952749 = 311673669359
BaseRepresentation
bin1111000111001000…
…11101010110101101
3202221101221200221110
413203210131112231
5113103403441444
63421012422233
7405021650316
oct74344352655
922841850843
108112952749
113493606530
1216a5017979
139c3a70475
1456d6ab60d
153273accb9
hex1e391d5ad

8112952749 has 16 divisors (see below), whose sum is σ = 11976791040. Its totient is φ = 4843552560.

The previous prime is 8112952733. The next prime is 8112952753. The reversal of 8112952749 is 9472592118.

It is a happy number.

It is not a de Polignac number, because 8112952749 - 24 = 8112952733 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 8112952698 and 8112952707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8112952759) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1832469 + ... + 1836890.

It is an arithmetic number, because the mean of its divisors is an integer number (748549440).

Almost surely, 28112952749 is an apocalyptic number.

It is an amenable number.

8112952749 is a deficient number, since it is larger than the sum of its proper divisors (3863838291).

8112952749 is a wasteful number, since it uses less digits than its factorization.

8112952749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3669440.

The product of its digits is 362880, while the sum is 48.

The square root of 8112952749 is about 90071.9309718627. The cubic root of 8112952749 is about 2009.3687735962.

The spelling of 8112952749 in words is "eight billion, one hundred twelve million, nine hundred fifty-two thousand, seven hundred forty-nine".

Divisors: 1 3 11 33 67 201 737 2211 3669359 11008077 40362949 121088847 245847053 737541159 2704317583 8112952749