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13842463621 = 717911047457
BaseRepresentation
bin11001110010001001…
…10011101110000101
31022201201001000021211
430321010303232011
5211322132313441
610205324011421
71000012666540
oct147104635605
938651030254
1013842463621
115963789888
122823990b71
1313c7aa189c
149545c9857
155603b5a81
hex339133b85

13842463621 has 8 divisors (see below), whose sum is σ = 15908339520. Its totient is φ = 11798683008.

The previous prime is 13842463561. The next prime is 13842463651. The reversal of 13842463621 is 12636424831.

13842463621 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 13842463621 - 27 = 13842463493 is a prime.

It is a super-2 number, since 2×138424636212 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13842463651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5522476 + ... + 5524981.

It is an arithmetic number, because the mean of its divisors is an integer number (1988542440).

Almost surely, 213842463621 is an apocalyptic number.

It is an amenable number.

13842463621 is a deficient number, since it is larger than the sum of its proper divisors (2065875899).

13842463621 is a wasteful number, since it uses less digits than its factorization.

13842463621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11047643.

The product of its digits is 165888, while the sum is 40.

The spelling of 13842463621 in words is "thirteen billion, eight hundred forty-two million, four hundred sixty-three thousand, six hundred twenty-one".

Divisors: 1 7 179 1253 11047457 77332199 1977494803 13842463621