Base | Representation |
---|---|
bin | 10000110101011111… |
… | …011010101100001011 |
3 | 1201122211121212011001 |
4 | 100311133122230023 |
5 | 244010242004134 |
6 | 12145443115431 |
7 | 1206654331006 |
oct | 206537325413 |
9 | 51584555131 |
10 | 18077297419 |
11 | 7737188125 |
12 | 3606072b77 |
13 | 19212557bc |
14 | c36bcc53d |
15 | 70c076414 |
hex | 4357dab0b |
18077297419 has 8 divisors (see below), whose sum is σ = 18873298080. Its totient is φ = 17282132736.
The previous prime is 18077297411. The next prime is 18077297431. The reversal of 18077297419 is 91479277081.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 18077297419 - 23 = 18077297411 is a prime.
It is a super-2 number, since 2×180772974192 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 18077297419.
It is not an unprimeable number, because it can be changed into a prime (18077297411) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164592 + ... + 251485.
It is an arithmetic number, because the mean of its divisors is an integer number (2359162260).
Almost surely, 218077297419 is an apocalyptic number.
18077297419 is a deficient number, since it is larger than the sum of its proper divisors (796000661).
18077297419 is a wasteful number, since it uses less digits than its factorization.
18077297419 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 417989.
The product of its (nonzero) digits is 1778112, while the sum is 55.
The spelling of 18077297419 in words is "eighteen billion, seventy-seven million, two hundred ninety-seven thousand, four hundred nineteen".
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