Search a number
-
+
168067228146 = 23171647717923
BaseRepresentation
bin1001110010000110010…
…1100110000111110010
3121001210220010210120120
42130201211212013302
510223200202300041
6205113051551110
715066601603536
oct2344145460762
9531726123516
10168067228146
1165305629064
12286a545b496
1312b056ba9bc
1481c50bbbc6
154589d17366
hex27219661f2

168067228146 has 16 divisors (see below), whose sum is σ = 355907071584. Its totient is φ = 52726973504.

The previous prime is 168067228141. The next prime is 168067228171. The reversal of 168067228146 is 641822760861.

It is a super-2 number, since 2×1680672281462 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (168067228141) 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, 823858860 + ... + 823859063.

It is an arithmetic number, because the mean of its divisors is an integer number (22244191974).

Almost surely, 2168067228146 is an apocalyptic number.

168067228146 is an abundant number, since it is smaller than the sum of its proper divisors (187839843438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

168067228146 is a wasteful number, since it uses less digits than its factorization.

168067228146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1647717945.

The product of its (nonzero) digits is 1548288, while the sum is 51.

The spelling of 168067228146 in words is "one hundred sixty-eight billion, sixty-seven million, two hundred twenty-eight thousand, one hundred forty-six".

Divisors: 1 2 3 6 17 34 51 102 1647717923 3295435846 4943153769 9886307538 28011204691 56022409382 84033614073 168067228146