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14542220431 = 26954060299
BaseRepresentation
bin11011000101100100…
…01010110010001111
31101112110202100011201
431202302022302033
5214240302023211
610403002130331
71023240556054
oct154262126217
941473670151
1014542220431
1161927824a2
12299a1b09a7
1314a9a5737b
149bd4dd02b
155a1a3b0c1
hex362c8ac8f

14542220431 has 4 divisors (see below), whose sum is σ = 14596281000. Its totient is φ = 14488159864.

The previous prime is 14542220411. The next prime is 14542220443. The reversal of 14542220431 is 13402224541.

14542220431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-14542220431 is a prime.

It is a super-2 number, since 2×145422204312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14542220431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14542220411) 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 3 ways as a sum of consecutive naturals, for example, 27029881 + ... + 27030418.

It is an arithmetic number, because the mean of its divisors is an integer number (3649070250).

Almost surely, 214542220431 is an apocalyptic number.

14542220431 is a deficient number, since it is larger than the sum of its proper divisors (54060569).

14542220431 is an equidigital number, since it uses as much as digits as its factorization.

14542220431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54060568.

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 14542220431 its reverse (13402224541), we get a palindrome (27944444972).

The spelling of 14542220431 in words is "fourteen billion, five hundred forty-two million, two hundred twenty thousand, four hundred thirty-one".

Divisors: 1 269 54060299 14542220431