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868261047468 = 223239302740951
BaseRepresentation
bin11001010001010000110…
…01000010110010101100
310002000010121100020102220
430220220121002302230
5103211144312004333
61502512411315340
7116505214063143
oct14505031026254
93060117306386
10868261047468
113052557a9011
12120336a4bb50
1363b52059919
143004a03675a
15178bae078b3
hexca28642cac

868261047468 has 24 divisors (see below), whose sum is σ = 2034419197440. Its totient is φ = 288209384400.

The previous prime is 868261047463. The next prime is 868261047527. The reversal of 868261047468 is 864740162868.

It is a happy number.

It is a super-2 number, since 2×8682610474682 (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (868261047461) 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, 151367608 + ... + 151373343.

It is an arithmetic number, because the mean of its divisors is an integer number (84767466560).

Almost surely, 2868261047468 is an apocalyptic number.

It is an amenable number.

868261047468 is an abundant number, since it is smaller than the sum of its proper divisors (1166158149972).

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

868261047468 is a wasteful number, since it uses less digits than its factorization.

868261047468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302741197 (or 302741195 counting only the distinct ones).

The product of its (nonzero) digits is 24772608, while the sum is 60.

The spelling of 868261047468 in words is "eight hundred sixty-eight billion, two hundred sixty-one million, forty-seven thousand, four hundred sixty-eight".

Divisors: 1 2 3 4 6 12 239 478 717 956 1434 2868 302740951 605481902 908222853 1210963804 1816445706 3632891412 72355087289 144710174578 217065261867 289420349156 434130523734 868261047468