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12380292955 = 55477452083
BaseRepresentation
bin10111000011110110…
…00100011101011011
31011221210201001012201
423201323010131123
5200323323333310
65404252351031
7615536516362
oct134173043533
934853631181
1012380292955
115283397378
122496175477
131223b96144
148563327d9
154c6d3ee3a
hex2e1ec475b

12380292955 has 8 divisors (see below), whose sum is σ = 14859096912. Its totient is φ = 9902404128.

The previous prime is 12380292923. The next prime is 12380292979. The reversal of 12380292955 is 55929208321.

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 12380292955 - 25 = 12380292923 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 198657 + ... + 253426.

It is an arithmetic number, because the mean of its divisors is an integer number (1857387114).

Almost surely, 212380292955 is an apocalyptic number.

12380292955 is a deficient number, since it is larger than the sum of its proper divisors (2478803957).

12380292955 is an equidigital number, since it uses as much as digits as its factorization.

12380292955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457565.

The product of its (nonzero) digits is 388800, while the sum is 46.

The spelling of 12380292955 in words is "twelve billion, three hundred eighty million, two hundred ninety-two thousand, nine hundred fifty-five".

Divisors: 1 5 5477 27385 452083 2260415 2476058591 12380292955