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12248686642 = 219322333859
BaseRepresentation
bin10110110100001010…
…00010000000110010
31011121122001202021211
423122011002000302
5200041130433032
65343231510334
7612351055453
oct133205020062
934548052254
1012248686642
115216078625
12245a0883aa
13120283749a
14842a7512a
154ba4e5747
hex2da142032

12248686642 has 8 divisors (see below), whose sum is σ = 19340031600. Its totient is φ = 5802009444.

The previous prime is 12248686633. The next prime is 12248686663. The reversal of 12248686642 is 24668684221.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161166892 + ... + 161166967.

It is an arithmetic number, because the mean of its divisors is an integer number (2417503950).

Almost surely, 212248686642 is an apocalyptic number.

12248686642 is a deficient number, since it is larger than the sum of its proper divisors (7091344958).

12248686642 is a wasteful number, since it uses less digits than its factorization.

12248686642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322333880.

The product of its digits is 1769472, while the sum is 49.

The spelling of 12248686642 in words is "twelve billion, two hundred forty-eight million, six hundred eighty-six thousand, six hundred forty-two".

Divisors: 1 2 19 38 322333859 644667718 6124343321 12248686642