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12127747629 = 322961176063
BaseRepresentation
bin10110100101101111…
…01011111000101101
31011022012111102011010
423102313223320231
5144314200411004
65323231415433
7606352103544
oct132267537055
934265442133
1012127747629
115163885328
122425684579
1311b377203a
1483099315b
154aeaa6a89
hex2d2debe2d

12127747629 has 8 divisors (see below), whose sum is σ = 16171126272. Its totient is φ = 8084767040.

The previous prime is 12127747591. The next prime is 12127747663. The reversal of 12127747629 is 92674772121.

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

It is a cyclic number.

It is not a de Polignac number, because 12127747629 - 212 = 12127743533 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12127747699) 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, 19149 + ... + 156914.

It is an arithmetic number, because the mean of its divisors is an integer number (2021390784).

Almost surely, 212127747629 is an apocalyptic number.

It is an amenable number.

12127747629 is a deficient number, since it is larger than the sum of its proper divisors (4043378643).

12127747629 is a wasteful number, since it uses less digits than its factorization.

12127747629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199027.

The product of its digits is 592704, while the sum is 48.

The spelling of 12127747629 in words is "twelve billion, one hundred twenty-seven million, seven hundred forty-seven thousand, six hundred twenty-nine".

Divisors: 1 3 22961 68883 176063 528189 4042582543 12127747629