Base | Representation |
---|---|
bin | 101010100100110001100011… |
… | …110101100100010011110011 |
3 | 220112222110020211002222011120 |
4 | 222210301203311210103303 |
5 | 144020310400210120110 |
6 | 1502123110340513323 |
7 | 54304003240465146 |
oct | 5244614365442363 |
9 | 815873224088146 |
10 | 187245069223155 |
11 | 54731208120219 |
12 | 190014229ab843 |
13 | 8063198c8cb18 |
14 | 34349d160c05d |
15 | 169aa198e0870 |
hex | aa4c63d644f3 |
187245069223155 has 16 divisors (see below), whose sum is σ = 299592683892384. Its totient is φ = 99863845873920.
The previous prime is 187245069223141. The next prime is 187245069223159. The reversal of 187245069223155 is 551322960542781.
187245069223155 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 187245069223155 - 240 = 186145557595379 is a prime.
It is not an unprimeable number, because it can be changed into a prime (187245069223159) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3652516 + ... + 19693425.
It is an arithmetic number, because the mean of its divisors is an integer number (18724542743274).
It is a 1-persistent number, because it is pandigital, but 2⋅187245069223155 = 374490138446310 is not.
Almost surely, 2187245069223155 is an apocalyptic number.
187245069223155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
187245069223155 is a deficient number, since it is larger than the sum of its proper divisors (112347614669229).
187245069223155 is a wasteful number, since it uses less digits than its factorization.
187245069223155 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23880646.
The product of its (nonzero) digits is 36288000, while the sum is 60.
The spelling of 187245069223155 in words is "one hundred eighty-seven trillion, two hundred forty-five billion, sixty-nine million, two hundred twenty-three thousand, one hundred fifty-five".
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