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268222432281 = 32922051139813
BaseRepresentation
bin1111100111001101001…
…1011000010000011001
3221122022212211022212120
43321303103120100121
513343304420313111
6323115241331453
725243542025326
oct3716323302031
9848285738776
10268222432281
11a3830630341
1243b97196b89
131c3a73cbcbb
14cda69bdb4d
156e9c9ad406
hex3e734d8419

268222432281 has 16 divisors (see below), whose sum is σ = 369981399360. Its totient is φ = 172639857600.

The previous prime is 268222432253. The next prime is 268222432319. The reversal of 268222432281 is 182234222862.

268222432281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 268222432281 - 226 = 268155323417 is a prime.

It is a super-2 number, since 2×2682224322812 (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (268222432211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1848531 + ... + 1988343.

It is an arithmetic number, because the mean of its divisors is an integer number (23123837460).

Almost surely, 2268222432281 is an apocalyptic number.

It is an amenable number.

268222432281 is a deficient number, since it is larger than the sum of its proper divisors (101758967079).

268222432281 is a wasteful number, since it uses less digits than its factorization.

268222432281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161896.

The product of its digits is 294912, while the sum is 42.

The spelling of 268222432281 in words is "two hundred sixty-eight billion, two hundred twenty-two million, four hundred thirty-two thousand, two hundred eighty-one".

Divisors: 1 3 29 87 22051 66153 139813 419439 639479 1918437 4054577 12163731 3083016463 9249049389 89407477427 268222432281