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42542041245441 = 314180680415147
BaseRepresentation
bin10011010110001000101110…
…10000011010011100000001
312120121222110000000010100120
421223010113100122130001
521034002100024323231
6230251313254210453
711650363304110023
oct1153042720323401
9176558400003316
1042542041245441
1112611a8423a2a1
124930b23653a29
131a9790abb7b9a
14a7108d8b0013
154db939622d96
hex26b11741a701

42542041245441 has 4 divisors (see below), whose sum is σ = 56722721660592. Its totient is φ = 28361360830292.

The previous prime is 42542041245427. The next prime is 42542041245461. The reversal of 42542041245441 is 14454214024524.

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 42542041245441 - 25 = 42542041245409 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42542041245393 and 42542041245402.

It is not an unprimeable number, because it can be changed into a prime (42542041245461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7090340207571 + ... + 7090340207576.

It is an arithmetic number, because the mean of its divisors is an integer number (14180680415148).

Almost surely, 242542041245441 is an apocalyptic number.

It is an amenable number.

42542041245441 is a deficient number, since it is larger than the sum of its proper divisors (14180680415151).

42542041245441 is a wasteful number, since it uses less digits than its factorization.

42542041245441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14180680415150.

The product of its (nonzero) digits is 819200, while the sum is 42.

Adding to 42542041245441 its reverse (14454214024524), we get a palindrome (56996255269965).

The spelling of 42542041245441 in words is "forty-two trillion, five hundred forty-two billion, forty-one million, two hundred forty-five thousand, four hundred forty-one".

Divisors: 1 3 14180680415147 42542041245441