Base | Representation |
---|---|
bin | 1000011111110110001… |
… | …1000111101010111011 |
3 | 111221211010201202020120 |
4 | 2013331203013222323 |
5 | 4342440331403000 |
6 | 151022120224323 |
7 | 13355466336633 |
oct | 2077543075273 |
9 | 457733652216 |
10 | 145987762875 |
11 | 56a05316aa9 |
12 | 2436300b0a3 |
13 | 109c7264b56 |
14 | 70cc9736c3 |
15 | 3be673d6a0 |
hex | 21fd8c7abb |
145987762875 has 32 divisors (see below), whose sum is σ = 243052213248. Its totient is φ = 77818930400.
The previous prime is 145987762849. The next prime is 145987762883. The reversal of 145987762875 is 578267789541.
It is not a de Polignac number, because 145987762875 - 213 = 145987754683 is a prime.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 613054 + ... + 817196.
It is an arithmetic number, because the mean of its divisors is an integer number (7595381664).
Almost surely, 2145987762875 is an apocalyptic number.
145987762875 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
145987762875 is a deficient number, since it is larger than the sum of its proper divisors (97064450373).
145987762875 is a wasteful number, since it uses less digits than its factorization.
145987762875 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 206068 (or 206058 counting only the distinct ones).
The product of its digits is 237081600, while the sum is 69.
The spelling of 145987762875 in words is "one hundred forty-five billion, nine hundred eighty-seven million, seven hundred sixty-two thousand, eight hundred seventy-five".
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