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42015486781441 = 691466871302373
BaseRepresentation
bin10011000110110011111100…
…01010100010100000000001
312111202122022111212212120101
421203121332022202200001
521001340204104001231
6225205352000442401
711564342634032065
oct1143317612424001
9174678274785511
1042015486781441
1112429738a45a88
124866a71619401
131a5a074482424
14a537bbaa3aa5
154ccdbc615661
hex26367e2a2801

42015486781441 has 8 divisors (see below), whose sum is σ = 42077224219904. Its totient is φ = 41953752042480.

The previous prime is 42015486781409. The next prime is 42015486781501. The reversal of 42015486781441 is 14418768451024.

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

It is a cyclic number.

It is not a de Polignac number, because 42015486781441 - 25 = 42015486781409 is a prime.

It is a super-2 number, since 2×420154867814412 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42015486761441) 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 7 ways as a sum of consecutive naturals, for example, 31609531 + ... + 32911903.

It is an arithmetic number, because the mean of its divisors is an integer number (5259653027488).

Almost surely, 242015486781441 is an apocalyptic number.

It is an amenable number.

42015486781441 is a deficient number, since it is larger than the sum of its proper divisors (61737438463).

42015486781441 is a wasteful number, since it uses less digits than its factorization.

42015486781441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1349751.

The product of its (nonzero) digits is 6881280, while the sum is 55.

The spelling of 42015486781441 in words is "forty-two trillion, fifteen billion, four hundred eighty-six million, seven hundred eighty-one thousand, four hundred forty-one".

Divisors: 1 691 46687 1302373 32260717 899939743 60803888251 42015486781441