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15345431342 = 220873676433
BaseRepresentation
bin11100100101010100…
…01011001100101110
31110121110010200101222
432102222023030232
5222411412300332
611014413503342
71052163004613
oct162252131456
943543120358
1015345431342
11656510676a
122b831a1b52
1315a72928b7
14a5806250a
155ec2e9712
hex392a8b32e

15345431342 has 8 divisors (see below), whose sum is σ = 23029182576. Its totient is φ = 7669037152.

The previous prime is 15345431329. The next prime is 15345431359. The reversal of 15345431342 is 24313454351.

15345431342 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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, 1834043 + ... + 1842390.

It is an arithmetic number, because the mean of its divisors is an integer number (2878647822).

Almost surely, 215345431342 is an apocalyptic number.

15345431342 is a deficient number, since it is larger than the sum of its proper divisors (7683751234).

15345431342 is a wasteful number, since it uses less digits than its factorization.

15345431342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3678522.

The product of its digits is 86400, while the sum is 35.

Adding to 15345431342 its reverse (24313454351), we get a palindrome (39658885693).

The spelling of 15345431342 in words is "fifteen billion, three hundred forty-five million, four hundred thirty-one thousand, three hundred forty-two".

Divisors: 1 2 2087 4174 3676433 7352866 7672715671 15345431342