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12380819359 = 21160796667
BaseRepresentation
bin10111000011111010…
…00100111110011111
31011221211200210022011
423201331010332133
5200323442204414
65404311532051
7615544141156
oct134175047637
934854623264
1012380819359
115283716917
12249638a027
13122401b91c
1485642c59d
154c6de5dc4
hex2e1f44f9f

12380819359 has 8 divisors (see below), whose sum is σ = 12460118528. Its totient is φ = 12301715160.

The previous prime is 12380819357. The next prime is 12380819389. The reversal of 12380819359 is 95391808321.

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

It is a cyclic number.

It is not a de Polignac number, because 12380819359 - 21 = 12380819357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12380819357) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79744 + ... + 176410.

It is an arithmetic number, because the mean of its divisors is an integer number (1557514816).

Almost surely, 212380819359 is an apocalyptic number.

12380819359 is a deficient number, since it is larger than the sum of its proper divisors (79299169).

12380819359 is an equidigital number, since it uses as much as digits as its factorization.

12380819359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97485.

The product of its (nonzero) digits is 466560, while the sum is 49.

The spelling of 12380819359 in words is "twelve billion, three hundred eighty million, eight hundred nineteen thousand, three hundred fifty-nine".

Divisors: 1 211 607 96667 128077 20396737 58676869 12380819359