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12298757748 = 2231024896479
BaseRepresentation
bin10110111010001000…
…00010011001110100
31011202010021121221020
423131010002121310
5200141440221443
65352221021140
7613526500404
oct133504023164
934663247836
1012298757748
115241367802
1224729b47b0
131210019064
1484958a804
154bead6583
hex2dd102674

12298757748 has 12 divisors (see below), whose sum is σ = 28697101440. Its totient is φ = 4099585912.

The previous prime is 12298757747. The next prime is 12298757771. The reversal of 12298757748 is 84775789221.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 12298757691 and 12298757700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12298757743) 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, 512448228 + ... + 512448251.

It is an arithmetic number, because the mean of its divisors is an integer number (2391425120).

Almost surely, 212298757748 is an apocalyptic number.

It is an amenable number.

12298757748 is an abundant number, since it is smaller than the sum of its proper divisors (16398343692).

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

12298757748 is a wasteful number, since it uses less digits than its factorization.

12298757748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1024896486 (or 1024896484 counting only the distinct ones).

The product of its digits is 15805440, while the sum is 60.

The spelling of 12298757748 in words is "twelve billion, two hundred ninety-eight million, seven hundred fifty-seven thousand, seven hundred forty-eight".

Divisors: 1 2 3 4 6 12 1024896479 2049792958 3074689437 4099585916 6149378874 12298757748