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42719428591 = 755710956509
BaseRepresentation
bin100111110010010001…
…101011111111101111
311002021012010211012221
4213302101223333233
51144442133203331
631343001340211
73041425103020
oct476221537757
9132235124187
1042719428591
1117132004a94
128342797667
13404a5ac2c8
1420d381ac47
1511a0608711
hex9f246bfef

42719428591 has 8 divisors (see below), whose sum is σ = 48909860640. Its totient is φ = 36550910688.

The previous prime is 42719428589. The next prime is 42719428621. The reversal of 42719428591 is 19582491724.

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 42719428591 - 21 = 42719428589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42719428501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5474356 + ... + 5482153.

It is an arithmetic number, because the mean of its divisors is an integer number (6113732580).

Almost surely, 242719428591 is an apocalyptic number.

42719428591 is a deficient number, since it is larger than the sum of its proper divisors (6190432049).

42719428591 is a wasteful number, since it uses less digits than its factorization.

42719428591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10957073.

The product of its digits is 1451520, while the sum is 52.

The spelling of 42719428591 in words is "forty-two billion, seven hundred nineteen million, four hundred twenty-eight thousand, five hundred ninety-one".

Divisors: 1 7 557 3899 10956509 76695563 6102775513 42719428591