Base | Representation |
---|---|
bin | 10001110110111… |
… | …00001100000000 |
3 | 101102212121112022 |
4 | 20323130030000 |
5 | 301322042210 |
6 | 22510421012 |
7 | 3466163522 |
oct | 1073341400 |
9 | 342777468 |
10 | 149799680 |
11 | 77615798 |
12 | 42201768 |
13 | 2505b984 |
14 | 15c75a12 |
15 | d240155 |
hex | 8edc300 |
149799680 has 72 divisors (see below), whose sum is σ = 368631312. Its totient is φ = 58281984.
The previous prime is 149799673. The next prime is 149799809. The reversal of 149799680 is 86997941.
149799680 = 293 + 303 + ... + 1563.
It is a happy number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45779 + ... + 48941.
Almost surely, 2149799680 is an apocalyptic number.
149799680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 149799680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184315656).
149799680 is an abundant number, since it is smaller than the sum of its proper divisors (218831632).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
149799680 is an equidigital number, since it uses as much as digits as its factorization.
149799680 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3221 (or 3207 counting only the distinct ones).
The product of its (nonzero) digits is 979776, while the sum is 53.
The square root of 149799680 is about 12239.2679519651. The cubic root of 149799680 is about 531.0926550402.
The spelling of 149799680 in words is "one hundred forty-nine million, seven hundred ninety-nine thousand, six hundred eighty".
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