Base | Representation |
---|---|
bin | 1001100011011… |
… | …11110111101011 |
3 | 12120211001010100 |
4 | 10301233313223 |
5 | 131004244440 |
6 | 11541520443 |
7 | 1662156312 |
oct | 461576753 |
9 | 176731110 |
10 | 80149995 |
11 | 41273972 |
12 | 22a13123 |
13 | 137b3743 |
14 | a905279 |
15 | 7083230 |
hex | 4c6fdeb |
80149995 has 24 divisors (see below), whose sum is σ = 139372272. Its totient is φ = 42609600.
The previous prime is 80149943. The next prime is 80150011. The reversal of 80149995 is 59994108.
It is not a de Polignac number, because 80149995 - 28 = 80149739 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 80149995.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12205 + ... + 17585.
It is an arithmetic number, because the mean of its divisors is an integer number (5807178).
Almost surely, 280149995 is an apocalyptic number.
80149995 is a deficient number, since it is larger than the sum of its proper divisors (59222277).
80149995 is a wasteful number, since it uses less digits than its factorization.
80149995 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5723 (or 5720 counting only the distinct ones).
The product of its (nonzero) digits is 116640, while the sum is 45.
The square root of 80149995 is about 8952.6529587603. The cubic root of 80149995 is about 431.1560652369.
The spelling of 80149995 in words is "eighty million, one hundred forty-nine thousand, nine hundred ninety-five".
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