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13442532542 = 231216815041
BaseRepresentation
bin11001000010011110…
…01100010010111110
31021200211111101222122
430201033030102332
5210012242020132
610101520042542
7654055432655
oct144117142276
937624441878
1013442532542
115778a6072a
122731a63452
131362c8578a
1491744219c
1553a217912
hex3213cc4be

13442532542 has 8 divisors (see below), whose sum is σ = 20814244032. Its totient is φ = 6504451200.

The previous prime is 13442532541. The next prime is 13442532599. The reversal of 13442532542 is 24523524431.

It is a happy number.

13442532542 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 super-2 number, since 2×134425325422 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13442532541) 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, 108407459 + ... + 108407582.

It is an arithmetic number, because the mean of its divisors is an integer number (2601780504).

Almost surely, 213442532542 is an apocalyptic number.

13442532542 is a deficient number, since it is larger than the sum of its proper divisors (7371711490).

13442532542 is a wasteful number, since it uses less digits than its factorization.

13442532542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216815074.

The product of its digits is 115200, while the sum is 35.

The spelling of 13442532542 in words is "thirteen billion, four hundred forty-two million, five hundred thirty-two thousand, five hundred forty-two".

Divisors: 1 2 31 62 216815041 433630082 6721266271 13442532542