Base | Representation |
---|---|
bin | 10001111010111001… |
… | …111001111110111010 |
3 | 1211122222222020100210 |
4 | 101322321321332322 |
5 | 303401404303432 |
6 | 12501204011550 |
7 | 1250555122101 |
oct | 217271717672 |
9 | 54588866323 |
10 | 19241869242 |
11 | 8184596182 |
12 | 3890090bb6 |
13 | 1a785c435b |
14 | d07739038 |
15 | 7794148cc |
hex | 47ae79fba |
19241869242 has 32 divisors (see below), whose sum is σ = 39317443200. Its totient is φ = 6276492288.
The previous prime is 19241869189. The next prime is 19241869247. The reversal of 19241869242 is 24296814291.
It is a junction number, because it is equal to n+sod(n) for n = 19241869191 and 19241869200.
It is not an unprimeable number, because it can be changed into a prime (19241869247) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 133942 + ... + 237537.
It is an arithmetic number, because the mean of its divisors is an integer number (1228670100).
Almost surely, 219241869242 is an apocalyptic number.
19241869242 is an abundant number, since it is smaller than the sum of its proper divisors (20075573958).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19241869242 is a wasteful number, since it uses less digits than its factorization.
19241869242 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 371670.
The product of its digits is 497664, while the sum is 48.
The spelling of 19241869242 in words is "nineteen billion, two hundred forty-one million, eight hundred sixty-nine thousand, two hundred forty-two".
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