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268943160194 = 223163251142903
BaseRepresentation
bin1111101001111001000…
…0101111001110000010
3221201012010000002200222
43322132100233032002
513401243422111234
6323314545143042
725300443100022
oct3723620571602
9851163002628
10268943160194
11a4070447945
124415862aa82
131c490817c17
14d0345d1a82
156ee0dc742e
hex3e9e42f382

268943160194 has 32 divisors (see below), whose sum is σ = 425227428864. Its totient is φ = 127325682000.

The previous prime is 268943160191. The next prime is 268943160223. The reversal of 268943160194 is 491061349862.

It is a super-2 number, since 2×2689431601942 (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (268943160191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1810547 + ... + 1953449.

It is an arithmetic number, because the mean of its divisors is an integer number (13288357152).

Almost surely, 2268943160194 is an apocalyptic number.

268943160194 is a deficient number, since it is larger than the sum of its proper divisors (156284268670).

268943160194 is a wasteful number, since it uses less digits than its factorization.

268943160194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143342.

The product of its (nonzero) digits is 2239488, while the sum is 53.

The spelling of 268943160194 in words is "two hundred sixty-eight billion, nine hundred forty-three million, one hundred sixty thousand, one hundred ninety-four".

Divisors: 1 2 23 46 163 251 326 502 3749 5773 7498 11546 40913 81826 142903 285806 940999 1881998 3286769 6573538 23293189 35868653 46586378 71737306 535743347 824979019 1071486694 1649958038 5846590439 11693180878 134471580097 268943160194