Search a number
-
+
142617383687668 = 22349161873631121
BaseRepresentation
bin100000011011010110110010…
…011111100101010111110100
3200200222002101200102021111111
4200123112302133211113310
5122143120400211001133
61223153304355044404
742016523501405251
oct4033266237452764
9620862350367444
10142617383687668
114149576907844a
1213bb42552a0704
1361769b9245196
142730a0aa5a428
151174c1354e1cd
hex81b5b27e55f4

142617383687668 has 24 divisors (see below), whose sum is σ = 250297494438600. Its totient is φ = 71103817021440.

The previous prime is 142617383687657. The next prime is 142617383687671. The reversal of 142617383687668 is 866786383716241.

It can be written as a sum of positive squares in 4 ways, for example, as 13261745822224 + 129355637865444 = 3641668^2 + 11373462^2 .

It is a junction number, because it is equal to n+sod(n) for n = 142617383687594 and 142617383687603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225659148 + ... + 226290268.

It is an arithmetic number, because the mean of its divisors is an integer number (10429062268275).

Almost surely, 2142617383687668 is an apocalyptic number.

It is an amenable number.

142617383687668 is a deficient number, since it is larger than the sum of its proper divisors (107680110750932).

142617383687668 is a wasteful number, since it uses less digits than its factorization.

142617383687668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793347 (or 793345 counting only the distinct ones).

The product of its digits is 2341011456, while the sum is 76.

The spelling of 142617383687668 in words is "one hundred forty-two trillion, six hundred seventeen billion, three hundred eighty-three million, six hundred eighty-seven thousand, six hundred sixty-eight".

Divisors: 1 2 4 349 698 1396 161873 323746 631121 647492 1262242 2524484 56493677 112987354 220261229 225974708 440522458 881044916 102161449633 204322899266 408645798532 35654345921917 71308691843834 142617383687668