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12079242840 = 23357273107263
BaseRepresentation
bin10110011111111101…
…01001111001011000
31011011211020010002110
423033332221321120
5144214241232330
65314340032320
7605222604300
oct131776517130
934154203073
1012079242840
115139465a25
1224113926a0
1311a66bb392
14828368600
154aa6c4db0
hex2cffa9e58

12079242840 has 384 divisors, whose sum is σ = 43294901760. Its totient is φ = 2687440896.

The previous prime is 12079242829. The next prime is 12079242853. The reversal of 12079242840 is 4824297021.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 45928549 + ... + 45928811.

It is an arithmetic number, because the mean of its divisors is an integer number (112747140).

Almost surely, 212079242840 is an apocalyptic number.

12079242840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12079242840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21647450880).

12079242840 is an abundant number, since it is smaller than the sum of its proper divisors (31215658920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12079242840 is a wasteful number, since it uses less digits than its factorization.

12079242840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471 (or 460 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The spelling of 12079242840 in words is "twelve billion, seventy-nine million, two hundred forty-two thousand, eight hundred forty".