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168227668258 = 21323281317171
BaseRepresentation
bin1001110010101100100…
…1101000000100100010
3121002020002001000000221
42130223021220010202
510224012240341013
6205141022433254
715103560405136
oct2345311500442
9532202030027
10168227668258
11653881510a1
122872b13282a
1312b2ca03890
1481dc5233c6
154598e5a08d
hex272b268122

168227668258 has 16 divisors (see below), whose sum is σ = 283567709376. Its totient is φ = 74267732880.

The previous prime is 168227668253. The next prime is 168227668261. The reversal of 168227668258 is 852866722861.

It is a junction number, because it is equal to n+sod(n) for n = 168227668196 and 168227668205.

It is not an unprimeable number, because it can be changed into a prime (168227668253) 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, 140657988 + ... + 140659183.

It is an arithmetic number, because the mean of its divisors is an integer number (17722981836).

Almost surely, 2168227668258 is an apocalyptic number.

168227668258 is a deficient number, since it is larger than the sum of its proper divisors (115340041118).

168227668258 is a wasteful number, since it uses less digits than its factorization.

168227668258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281317209.

The product of its digits is 30965760, while the sum is 61.

The spelling of 168227668258 in words is "one hundred sixty-eight billion, two hundred twenty-seven million, six hundred sixty-eight thousand, two hundred fifty-eight".

Divisors: 1 2 13 23 26 46 299 598 281317171 562634342 3657123223 6470294933 7314246446 12940589866 84113834129 168227668258