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12424724797 = 19971986837
BaseRepresentation
bin10111001001001001…
…00100000100111101
31012001220022102020111
423210210210010331
5200421212143142
65412520550021
7616616263312
oct134444440475
935056272214
1012424724797
1152a6484701
1224a9022311
131230151c84
1485c1bad09
154cabb9e17
hex2e492413d

12424724797 has 8 divisors (see below), whose sum is σ = 12504672000. Its totient is φ = 12344953104.

The previous prime is 12424724791. The next prime is 12424724831. The reversal of 12424724797 is 79742742421.

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 12424724797 - 227 = 12290507069 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12424724797.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12424724791) 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, 99663 + ... + 186499.

It is an arithmetic number, because the mean of its divisors is an integer number (1563084000).

Almost surely, 212424724797 is an apocalyptic number.

It is an amenable number.

12424724797 is a deficient number, since it is larger than the sum of its proper divisors (79947203).

12424724797 is an equidigital number, since it uses as much as digits as its factorization.

12424724797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87755.

The product of its digits is 1580544, while the sum is 49.

The spelling of 12424724797 in words is "twelve billion, four hundred twenty-four million, seven hundred twenty-four thousand, seven hundred ninety-seven".

Divisors: 1 199 719 86837 143081 17280563 62435803 12424724797