Search a number
-
+
12055166568 = 2332195185819
BaseRepresentation
bin10110011101000101…
…10011111001101000
31011010010220220122200
423032202303321220
5144142110312233
65312120020200
7604511140134
oct131642637150
934103826580
1012055166568
115126911085
122405301660
1311a170b773
1482509c3c4
154a851b313
hex2ce8b3e68

12055166568 has 48 divisors (see below), whose sum is σ = 32666524800. Its totient is φ = 4016282400.

The previous prime is 12055166567. The next prime is 12055166639. The reversal of 12055166568 is 86566155021.

12055166568 is a `hidden beast` number, since 1 + 20 + 5 + 5 + 1 + 66 + 568 = 666.

It is not an unprimeable number, because it can be changed into a prime (12055166561) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97563 + ... + 183381.

It is an arithmetic number, because the mean of its divisors is an integer number (680552600).

Almost surely, 212055166568 is an apocalyptic number.

12055166568 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12055166568 is an abundant number, since it is smaller than the sum of its proper divisors (20611358232).

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

12055166568 is a wasteful number, since it uses less digits than its factorization.

12055166568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87782 (or 87775 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 45.

The spelling of 12055166568 in words is "twelve billion, fifty-five million, one hundred sixty-six thousand, five hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 1951 3902 5853 7804 11706 15608 17559 23412 35118 46824 70236 85819 140472 171638 257457 343276 514914 686552 772371 1029828 1544742 2059656 3089484 6178968 167432869 334865738 502298607 669731476 1004597214 1339462952 1506895821 2009194428 3013791642 4018388856 6027583284 12055166568