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14643420491 = 75094109857
BaseRepresentation
bin11011010001101000…
…01101110101001011
31101210112011211120002
431220310031311023
5214442203423431
610421015153215
71025610010010
oct155064156513
941715154502
1014643420491
116234913607
122a0807580b
1314c49cb16b
149ccb23707
155aa87b3cb
hex368d0dd4b

14643420491 has 8 divisors (see below), whose sum is σ = 16768220640. Its totient is φ = 12526841088.

The previous prime is 14643420481. The next prime is 14643420523. The reversal of 14643420491 is 19402434641.

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 14643420491 - 26 = 14643420427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14643420401) 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, 2051366 + ... + 2058491.

It is an arithmetic number, because the mean of its divisors is an integer number (2096027580).

Almost surely, 214643420491 is an apocalyptic number.

14643420491 is a deficient number, since it is larger than the sum of its proper divisors (2124800149).

14643420491 is an equidigital number, since it uses as much as digits as its factorization.

14643420491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4110373.

The product of its (nonzero) digits is 82944, while the sum is 38.

The spelling of 14643420491 in words is "fourteen billion, six hundred forty-three million, four hundred twenty thousand, four hundred ninety-one".

Divisors: 1 7 509 3563 4109857 28768999 2091917213 14643420491