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12380819457 = 330371358887
BaseRepresentation
bin10111000011111010…
…00101000000000001
31011221211200210102210
423201331011000001
5200323442210312
65404311532333
7615544141356
oct134175050001
934854623383
1012380819457
1152837169a6
12249638a0a9
13122401b996
1485642c62d
154c6de5e3c
hex2e1f45001

12380819457 has 8 divisors (see below), whose sum is σ = 16513206976. Its totient is φ = 8251155792.

The previous prime is 12380819411. The next prime is 12380819467. The reversal of 12380819457 is 75491808321.

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

It is not a de Polignac number, because 12380819457 - 26 = 12380819393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12380819467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 670333 + ... + 688554.

It is an arithmetic number, because the mean of its divisors is an integer number (2064150872).

Almost surely, 212380819457 is an apocalyptic number.

It is an amenable number.

12380819457 is a deficient number, since it is larger than the sum of its proper divisors (4132387519).

12380819457 is a wasteful number, since it uses less digits than its factorization.

12380819457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1361927.

The product of its (nonzero) digits is 483840, while the sum is 48.

The spelling of 12380819457 in words is "twelve billion, three hundred eighty million, eight hundred nineteen thousand, four hundred fifty-seven".

Divisors: 1 3 3037 9111 1358887 4076661 4126939819 12380819457