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268968195 = 3105911
BaseRepresentation
bin10000000010000…
…010000100000011
3200202010000000000
4100002002010003
51022323440240
642404531043
76444122556
oct2002020403
9622100000
10268968195
11128909871
12760b0a83
13439542a2
1427a1669d
151892e430
hex10082103

268968195 has 44 divisors (see below), whose sum is σ = 484671456. Its totient is φ = 143292240.

The previous prime is 268968191. The next prime is 268968209. The reversal of 268968195 is 591869862.

It is a happy number.

It is not a de Polignac number, because 268968195 - 22 = 268968191 is a prime.

It is a nialpdrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (268968191) by changing a digit.

It is a polite number, since it can be written in 43 ways as a sum of consecutive naturals, for example, 294790 + ... + 295700.

Almost surely, 2268968195 is an apocalyptic number.

268968195 is a deficient number, since it is larger than the sum of its proper divisors (215703261).

268968195 is an frugal number, since it uses more digits than its factorization.

268968195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 946 (or 919 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 54.

The square root of 268968195 is about 16400.2498456578. The cubic root of 268968195 is about 645.5060387916.

The spelling of 268968195 in words is "two hundred sixty-eight million, nine hundred sixty-eight thousand, one hundred ninety-five".

Divisors: 1 3 5 9 15 27 45 81 135 243 405 729 911 1215 2187 2733 3645 4555 6561 8199 10935 13665 19683 24597 32805 40995 59049 73791 98415 122985 221373 295245 368955 664119 1106865 1992357 3320595 5977071 9961785 17931213 29885355 53793639 89656065 268968195