Base | Representation |
---|---|
bin | 1000011100101100100… |
… | …0010001111101001011 |
3 | 111212122012000202022100 |
4 | 2013023020101331023 |
5 | 4334222304210230 |
6 | 150402141524443 |
7 | 13325515336125 |
oct | 2071310217513 |
9 | 455565022270 |
10 | 145141866315 |
11 | 56610888436 |
12 | 24167873723 |
13 | 108c0c32544 |
14 | 704c49c215 |
15 | 3b9734c660 |
hex | 21cb211f4b |
145141866315 has 24 divisors (see below), whose sum is σ = 251599390848. Its totient is φ = 77402793600.
The previous prime is 145141866223. The next prime is 145141866319. The reversal of 145141866315 is 513668141541.
145141866315 is a `hidden beast` number, since 1 + 4 + 5 + 1 + 4 + 1 + 8 + 6 + 631 + 5 = 666.
It is not a de Polignac number, because 145141866315 - 213 = 145141858123 is a prime.
It is a super-2 number, since 2×1451418663152 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is not an unprimeable number, because it can be changed into a prime (145141866319) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 469167 + ... + 714423.
It is an arithmetic number, because the mean of its divisors is an integer number (10483307952).
Almost surely, 2145141866315 is an apocalyptic number.
145141866315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
145141866315 is a deficient number, since it is larger than the sum of its proper divisors (106457524533).
145141866315 is a wasteful number, since it uses less digits than its factorization.
145141866315 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 258419 (or 258416 counting only the distinct ones).
The product of its digits is 345600, while the sum is 45.
The spelling of 145141866315 in words is "one hundred forty-five billion, one hundred forty-one million, eight hundred sixty-six thousand, three hundred fifteen".
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