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683972459456831 = 15971405831055267
BaseRepresentation
bin1001101110000100011011111…
…1011110110110100100111111
310022200202010110201001100101222
42123201012333132312210333
51204122201044110104311
610422404335441423555
7264032244105554066
oct23341067736664477
93280663421040358
10683972459456831
11188a31100268a76
126486654093abbb
13234854317a7a7c
14c0c862d6131dd
155411a5ed55adb
hex26e11bf7b693f

683972459456831 has 8 divisors (see below), whose sum is σ = 684032788289664. Its totient is φ = 683912132847640.

The previous prime is 683972459456827. The next prime is 683972459456837. The reversal of 683972459456831 is 138654954279386.

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 683972459456831 - 22 = 683972459456827 is a prime.

It is a super-2 number, since 2×6839724594568312 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (683972459456837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 647623460 + ... + 648678726.

It is an arithmetic number, because the mean of its divisors is an integer number (85504098536208).

Almost surely, 2683972459456831 is an apocalyptic number.

683972459456831 is a deficient number, since it is larger than the sum of its proper divisors (60328832833).

683972459456831 is a wasteful number, since it uses less digits than its factorization.

683972459456831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111821.

The product of its digits is 9405849600, while the sum is 80.

The spelling of 683972459456831 in words is "six hundred eighty-three trillion, nine hundred seventy-two billion, four hundred fifty-nine million, four hundred fifty-six thousand, eight hundred thirty-one".

Divisors: 1 15971 40583 1055267 648151093 16853669257 42825900661 683972459456831