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168268250033 = 1323738638933
BaseRepresentation
bin1001110010110110010…
…0011011101110110001
3121002022220101202202122
42130231210123232301
510224103133000113
6205145032324025
715104562345302
oct2345544335661
9532286352678
10168268250033
11653a9049854
1228740843615
1312b38242170
148203a887a9
15459c7c4408
hex272d91bbb1

168268250033 has 32 divisors (see below), whose sum is σ = 191924619264. Its totient is φ = 146349891072.

The previous prime is 168268250027. The next prime is 168268250039. The reversal of 168268250033 is 330052862861.

It is an interprime number because it is at equal distance from previous prime (168268250027) and next prime (168268250039).

It is a cyclic number.

It is not a de Polignac number, because 168268250033 - 28 = 168268249777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (168268250039) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18832235 + ... + 18841167.

It is an arithmetic number, because the mean of its divisors is an integer number (5997644352).

Almost surely, 2168268250033 is an apocalyptic number.

168268250033 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

168268250033 is a deficient number, since it is larger than the sum of its proper divisors (23656369231).

168268250033 is a wasteful number, since it uses less digits than its factorization.

168268250033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9905.

The product of its (nonzero) digits is 414720, while the sum is 44.

The spelling of 168268250033 in words is "one hundred sixty-eight billion, two hundred sixty-eight million, two hundred fifty thousand, thirty-three".

Divisors: 1 13 23 73 299 863 949 1679 8933 11219 19849 21827 62999 116129 205459 258037 652109 818987 1448977 2670967 7709179 8477417 14998507 18836701 100219327 177311117 194980591 562770067 2305044521 7316010871 12943711541 168268250033