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1928450102717 = 18197710905241
BaseRepresentation
bin11100000100000000100…
…101010101010110111101
320211100200000002110201102
4130010000211111112331
5223043431211241332
64033530122222445
7256216535261315
oct34040045252675
96740600073642
101928450102717
1168393a898a76
122718b6054a25
1310cb0cca7048
14694a20a6445
153526b7b8062
hex1c1009555bd

1928450102717 has 8 divisors (see below), whose sum is σ = 1941089455032. Its totient is φ = 1915832563200.

The previous prime is 1928450102707. The next prime is 1928450102731. The reversal of 1928450102717 is 7172010548291.

It can be written as a sum of positive squares in 4 ways, for example, as 210198408676 + 1718251694041 = 458474^2 + 1310821^2 .

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 1928450102717 - 210 = 1928450101693 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 (1928450102707) 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, 5275784 + ... + 5629457.

It is an arithmetic number, because the mean of its divisors is an integer number (242636181879).

Almost surely, 21928450102717 is an apocalyptic number.

It is an amenable number.

1928450102717 is a deficient number, since it is larger than the sum of its proper divisors (12639352315).

1928450102717 is a wasteful number, since it uses less digits than its factorization.

1928450102717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10906399.

The product of its (nonzero) digits is 282240, while the sum is 47.

The spelling of 1928450102717 in words is "one trillion, nine hundred twenty-eight billion, four hundred fifty million, one hundred two thousand, seven hundred seventeen".

Divisors: 1 181 977 176837 10905241 1973848621 10654420457 1928450102717