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12317646460 = 2257212569027
BaseRepresentation
bin10110111100011000…
…00101111001111100
31011210102211021101011
423132030011321330
5200211304141320
65354133525004
7614146160500
oct133614057174
934712737334
1012317646460
115250a99109
1224791a3764
131213c00702
1484bca6300
154c15b805a
hex2de305e7c

12317646460 has 36 divisors (see below), whose sum is σ = 30090253032. Its totient is φ = 4223192736.

The previous prime is 12317646413. The next prime is 12317646461. The reversal of 12317646460 is 6464671321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12317646461) 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 11 ways as a sum of consecutive naturals, for example, 6283534 + ... + 6285493.

It is an arithmetic number, because the mean of its divisors is an integer number (835840362).

Almost surely, 212317646460 is an apocalyptic number.

12317646460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12317646460 is an abundant number, since it is smaller than the sum of its proper divisors (17772606572).

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

12317646460 is a wasteful number, since it uses less digits than its factorization.

12317646460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12569050 (or 12569041 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 40.

The spelling of 12317646460 in words is "twelve billion, three hundred seventeen million, six hundred forty-six thousand, four hundred sixty".

Divisors: 1 2 4 5 7 10 14 20 28 35 49 70 98 140 196 245 490 980 12569027 25138054 50276108 62845135 87983189 125690270 175966378 251380540 351932756 439915945 615882323 879831890 1231764646 1759663780 2463529292 3079411615 6158823230 12317646460