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492014578717 = 1925895504143
BaseRepresentation
bin1110010100011100101…
…10101010110000011101
31202000222100020021120201
413022032112222300131
531030121213004332
61014010043543501
750355402625624
oct7121626526035
91660870207521
10492014578717
1117a731448282
127b43282ab91
133752094061c
1419b568726bb
15cbe9a675e7
hex728e5aac1d

492014578717 has 4 divisors (see below), whose sum is σ = 517910082880. Its totient is φ = 466119074556.

The previous prime is 492014578703. The next prime is 492014578733. The reversal of 492014578717 is 717875410294.

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 a de Polignac number, because none of the positive numbers 2k-492014578717 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 (492014578747) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12947752053 + ... + 12947752090.

It is an arithmetic number, because the mean of its divisors is an integer number (129477520720).

Almost surely, 2492014578717 is an apocalyptic number.

It is an amenable number.

492014578717 is a deficient number, since it is larger than the sum of its proper divisors (25895504163).

492014578717 is a wasteful number, since it uses less digits than its factorization.

492014578717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25895504162.

The product of its (nonzero) digits is 3951360, while the sum is 55.

The spelling of 492014578717 in words is "four hundred ninety-two billion, fourteen million, five hundred seventy-eight thousand, seven hundred seventeen".

Divisors: 1 19 25895504143 492014578717