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6457142103271 = 18406493508079
BaseRepresentation
bin101110111110110101110…
…1010010100110011100111
3211212022000100001112100021
41131331223222110303213
51321243211334301041
621422211540500011
71234341000164356
oct135755352246347
924768010045307
106457142103271
11206a50541a792
1288352b9aa607
1337aba1309562
1418475506d99d
15b2e7225ecd1
hex5df6ba94ce7

6457142103271 has 4 divisors (see below), whose sum is σ = 6457147452000. Its totient is φ = 6457136754544.

The previous prime is 6457142103257. The next prime is 6457142103287. The reversal of 6457142103271 is 1723012417546.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 6457142103271 - 233 = 6448552168679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6457142103211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86610 + ... + 3594688.

It is an arithmetic number, because the mean of its divisors is an integer number (1614286863000).

Almost surely, 26457142103271 is an apocalyptic number.

6457142103271 is a deficient number, since it is larger than the sum of its proper divisors (5348729).

6457142103271 is a wasteful number, since it uses less digits than its factorization.

6457142103271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5348728.

The product of its (nonzero) digits is 282240, while the sum is 43.

The spelling of 6457142103271 in words is "six trillion, four hundred fifty-seven billion, one hundred forty-two million, one hundred three thousand, two hundred seventy-one".

Divisors: 1 1840649 3508079 6457142103271