Search a number
-
+
12111012060 = 2235728835743
BaseRepresentation
bin10110100011101111…
…10110000011011100
31011021001000011021020
423101313312003130
5144300404341220
65321433004140
7606056622030
oct132167660334
934231004236
1012111012060
115155394684
12241bb53650
1311b0162734
1482c6781c0
154ad39d040
hex2d1df60dc

12111012060 has 48 divisors (see below), whose sum is σ = 38755239936. Its totient is φ = 2768231232.

The previous prime is 12111012059. The next prime is 12111012077. The reversal of 12111012060 is 6021011121.

It is a happy number.

It is a super-2 number, since 2×121110120602 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

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, 14417452 + ... + 14418291.

It is an arithmetic number, because the mean of its divisors is an integer number (807400832).

Almost surely, 212111012060 is an apocalyptic number.

12111012060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12111012060 is an abundant number, since it is smaller than the sum of its proper divisors (26644227876).

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

12111012060 is a wasteful number, since it uses less digits than its factorization.

12111012060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28835762 (or 28835760 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 12111012060 its reverse (6021011121), we get a palindrome (18132023181).

The spelling of 12111012060 in words is "twelve billion, one hundred eleven million, twelve thousand, sixty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 28835743 57671486 86507229 115342972 144178715 173014458 201850201 288357430 346028916 403700402 432536145 576714860 605550603 807400804 865072290 1009251005 1211101206 1730144580 2018502010 2422202412 3027753015 4037004020 6055506030 12111012060