Base | Representation |
---|---|
bin | 110011001111001011… |
… | …001001000110101110 |
3 | 12021000010012111200010 |
4 | 303033023021012232 |
5 | 1400132421142032 |
6 | 41135043114050 |
7 | 3655222200405 |
oct | 631713110656 |
9 | 167003174603 |
10 | 55015412142 |
11 | 21371847469 |
12 | a7b4672926 |
13 | 5259b66712 |
14 | 293c88463c |
15 | 166ed42ccc |
hex | ccf2c91ae |
55015412142 has 16 divisors (see below), whose sum is σ = 110107625040. Its totient is φ = 18325670592.
The previous prime is 55015412129. The next prime is 55015412149. The reversal of 55015412142 is 24121451055.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (55015412149) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 3190717 + ... + 3207912.
It is an arithmetic number, because the mean of its divisors is an integer number (6881726565).
Almost surely, 255015412142 is an apocalyptic number.
55015412142 is an abundant number, since it is smaller than the sum of its proper divisors (55092212898).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
55015412142 is a wasteful number, since it uses less digits than its factorization.
55015412142 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6400067.
The product of its (nonzero) digits is 8000, while the sum is 30.
Adding to 55015412142 its reverse (24121451055), we get a palindrome (79136863197).
The spelling of 55015412142 in words is "fifty-five billion, fifteen million, four hundred twelve thousand, one hundred forty-two".
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