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6442612141 = 7920373163
BaseRepresentation
bin1100000000000001…
…00111010110101101
3121121222220121101111
412000000213112231
5101143302042031
62543143312021
7315440204530
oct60000472655
917558817344
106442612141
112806760949
1212b974b611
137b89a9b44
14451906a17
1527a9171b1
hex1800275ad

6442612141 has 4 divisors (see below), whose sum is σ = 7362985312. Its totient is φ = 5522238972.

The previous prime is 6442612117. The next prime is 6442612147. The reversal of 6442612141 is 1412162446.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6442612141 - 213 = 6442603949 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 (6442612147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 460186575 + ... + 460186588.

It is an arithmetic number, because the mean of its divisors is an integer number (1840746328).

Almost surely, 26442612141 is an apocalyptic number.

It is an amenable number.

6442612141 is a deficient number, since it is larger than the sum of its proper divisors (920373171).

6442612141 is an equidigital number, since it uses as much as digits as its factorization.

6442612141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 920373170.

The product of its digits is 9216, while the sum is 31.

The square root of 6442612141 is about 80265.8840417272. The cubic root of 6442612141 is about 1860.7470060934.

Adding to 6442612141 its reverse (1412162446), we get a palindrome (7854774587).

It can be divided in two parts, 64426 and 12141, that added together give a palindrome (76567).

The spelling of 6442612141 in words is "six billion, four hundred forty-two million, six hundred twelve thousand, one hundred forty-one".

Divisors: 1 7 920373163 6442612141