Base | Representation |
---|---|
bin | 10001101101010111… |
… | …011000001001110010 |
3 | 1211002011112112220120 |
4 | 101231113120021302 |
5 | 302420231321340 |
6 | 12422451151110 |
7 | 1242126254610 |
oct | 215527301162 |
9 | 54064475816 |
10 | 19014713970 |
11 | 807834604a |
12 | 3827ba5496 |
13 | 1a4051cb55 |
14 | cc54c86b0 |
15 | 7644e44d0 |
hex | 46d5d8272 |
19014713970 has 128 divisors (see below), whose sum is σ = 54201139200. Its totient is φ = 4177578240.
The previous prime is 19014713959. The next prime is 19014714011. The reversal of 19014713970 is 7931741091.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 960189 + ... + 979791.
It is an arithmetic number, because the mean of its divisors is an integer number (423446400).
Almost surely, 219014713970 is an apocalyptic number.
19014713970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 19014713970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27100569600).
19014713970 is an abundant number, since it is smaller than the sum of its proper divisors (35186425230).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19014713970 is a wasteful number, since it uses less digits than its factorization.
19014713970 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19800.
The product of its (nonzero) digits is 47628, while the sum is 42.
The spelling of 19014713970 in words is "nineteen billion, fourteen million, seven hundred thirteen thousand, nine hundred seventy".
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