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481680310517 = 768811472931
BaseRepresentation
bin1110000001001100110…
…00100100000011110101
31201001022010111001200122
413000212120210003311
530342440124414032
61005140400421325
746541326041050
oct7004630440365
91631263431618
10481680310517
11176308a8365a
1279429917845
1336564917723
1419456179a97
15c7e267c012
hex70266240f5

481680310517 has 4 divisors (see below), whose sum is σ = 550491783456. Its totient is φ = 412868837580.

The previous prime is 481680310499. The next prime is 481680310603. The reversal of 481680310517 is 715013086184.

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 481680310517 - 220 = 481679261941 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 (481680310417) 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, 34405736459 + ... + 34405736472.

It is an arithmetic number, because the mean of its divisors is an integer number (137622945864).

Almost surely, 2481680310517 is an apocalyptic number.

It is an amenable number.

481680310517 is a deficient number, since it is larger than the sum of its proper divisors (68811472939).

481680310517 is an equidigital number, since it uses as much as digits as its factorization.

481680310517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68811472938.

The product of its (nonzero) digits is 161280, while the sum is 44.

The spelling of 481680310517 in words is "four hundred eighty-one billion, six hundred eighty million, three hundred ten thousand, five hundred seventeen".

Divisors: 1 7 68811472931 481680310517