Base | Representation |
---|---|
bin | 111111001010100… |
… | …1101011110000000 |
3 | 12110201012012212201 |
4 | 1332111031132000 |
5 | 13320042130113 |
6 | 550152002544 |
7 | 103344235261 |
oct | 17625153600 |
9 | 5421165781 |
10 | 2119489408 |
11 | 99843a843 |
12 | 4b1990454 |
13 | 27a152a5a |
14 | 1616c0968 |
15 | c6116cdd |
hex | 7e54d780 |
2119489408 has 32 divisors (see below), whose sum is σ = 4291656120. Its totient is φ = 1042368000.
The previous prime is 2119489397. The next prime is 2119489409. The reversal of 2119489408 is 8049849112.
It is a tau number, because it is divible by the number of its divisors (32).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2119489409) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127918 + ... + 143533.
Almost surely, 22119489408 is an apocalyptic number.
It is an amenable number.
2119489408 is an abundant number, since it is smaller than the sum of its proper divisors (2172166712).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2119489408 is an equidigital number, since it uses as much as digits as its factorization.
2119489408 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 271526 (or 271514 counting only the distinct ones).
The product of its (nonzero) digits is 165888, while the sum is 46.
The square root of 2119489408 is about 46037.9127241885. The cubic root of 2119489408 is about 1284.5285169400.
The spelling of 2119489408 in words is "two billion, one hundred nineteen million, four hundred eighty-nine thousand, four hundred eight".
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