Search a number
-
+
68023217660316 = 22322924753718217
BaseRepresentation
bin11110111011101111000111…
…01110011010000110011100
322220211221210222220021020120
433131313203232122012130
532403443022210112231
6400401233525314540
720220341514004512
oct1735674356320634
9286757728807216
1068023217660316
111a74653700a166
127767431b65a50
132bc573c660299
1412b24ac7624b2
157ce68eebed96
hex3ddde3b9a19c

68023217660316 has 24 divisors (see below), whose sum is σ = 159413945323920. Its totient is φ = 22575391012992.

The previous prime is 68023217660287. The next prime is 68023217660347. The reversal of 68023217660316 is 61306671232086.

It is a super-2 number, since 2×680232176603162 (a number of 28 digits) contains 22 as substring.

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, 12376856361 + ... + 12376861856.

It is an arithmetic number, because the mean of its divisors is an integer number (6642247721830).

Almost surely, 268023217660316 is an apocalyptic number.

It is an amenable number.

68023217660316 is an abundant number, since it is smaller than the sum of its proper divisors (91390727663604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68023217660316 is a wasteful number, since it uses less digits than its factorization.

68023217660316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24753718453 (or 24753718451 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 51.

The spelling of 68023217660316 in words is "sixty-eight trillion, twenty-three billion, two hundred seventeen million, six hundred sixty thousand, three hundred sixteen".

Divisors: 1 2 3 4 6 12 229 458 687 916 1374 2748 24753718217 49507436434 74261154651 99014872868 148522309302 297044618604 5668601471693 11337202943386 17005804415079 22674405886772 34011608830158 68023217660316