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6411421321619 = 43971537142489
BaseRepresentation
bin101110101001100011001…
…1111011000100110010011
3211200220222222100011201212
41131103012133120212103
51320021042324242434
621345211041450335
71231131666022016
oct135230637304623
924626888304655
106411421321619
112052083210826
128766b00409ab
13376795c90bc2
14182458bb737d
15b1b983e68ce
hex5d4c67d8993

6411421321619 has 8 divisors (see below), whose sum is σ = 6628158416880. Its totient is φ = 6197758511616.

The previous prime is 6411421321609. The next prime is 6411421321631. The reversal of 6411421321619 is 9161231241146.

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 6411421321619 - 232 = 6407126354323 is a prime.

It is a super-2 number, since 2×64114213216192 (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6411421321609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 768567074 + ... + 768575415.

It is an arithmetic number, because the mean of its divisors is an integer number (828519802110).

Almost surely, 26411421321619 is an apocalyptic number.

6411421321619 is a deficient number, since it is larger than the sum of its proper divisors (216737095261).

6411421321619 is a wasteful number, since it uses less digits than its factorization.

6411421321619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1537142629.

The product of its digits is 62208, while the sum is 41.

The spelling of 6411421321619 in words is "six trillion, four hundred eleven billion, four hundred twenty-one million, three hundred twenty-one thousand, six hundred nineteen".

Divisors: 1 43 97 4171 1537142489 66097127027 149102821433 6411421321619