Base | Representation |
---|---|
bin | 111001110100000111… |
… | …1011011101110100100 |
3 | 102212110121101001012200 |
4 | 1303220033123232210 |
5 | 4013232243203012 |
6 | 133011454014500 |
7 | 11653454601606 |
oct | 1635017335644 |
9 | 385417331180 |
10 | 124155444132 |
11 | 48721569875 |
12 | 2008b4a7430 |
13 | b928092955 |
14 | 601b1a1176 |
15 | 3369bd33dc |
hex | 1ce83dbba4 |
124155444132 has 18 divisors (see below), whose sum is σ = 313837372758. Its totient is φ = 41385148032.
The previous prime is 124155444131. The next prime is 124155444151. The reversal of 124155444132 is 231444551421.
124155444132 is a `hidden beast` number, since 1 + 2 + 41 + 5 + 544 + 41 + 32 = 666.
It can be written as a sum of positive squares in only one way, i.e., 103114200996 + 21041243136 = 321114^2 + 145056^2 .
It is a tau number, because it is divible by the number of its divisors (18).
It is a super-2 number, since 2×1241554441322 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 3448762337 = 124155444132 / (1 + 2 + 4 + 1 + 5 + 5 + 4 + 4 + 4 + 1 + 3 + 2).
It is not an unprimeable number, because it can be changed into a prime (124155444131) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1724381133 + ... + 1724381204.
Almost surely, 2124155444132 is an apocalyptic number.
124155444132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
124155444132 is an abundant number, since it is smaller than the sum of its proper divisors (189681928626).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
124155444132 is a wasteful number, since it uses less digits than its factorization.
124155444132 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3448762347 (or 3448762342 counting only the distinct ones).
The product of its digits is 76800, while the sum is 36.
Adding to 124155444132 its reverse (231444551421), we get a palindrome (355599995553).
The spelling of 124155444132 in words is "one hundred twenty-four billion, one hundred fifty-five million, four hundred forty-four thousand, one hundred thirty-two".
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