Base | Representation |
---|---|
bin | 10010010001111111… |
… | …001111001011011110 |
3 | 1212122222200202202001 |
4 | 102101333033023132 |
5 | 310200030032000 |
6 | 13003440352514 |
7 | 1263266650300 |
oct | 222177171336 |
9 | 55588622661 |
10 | 19629142750 |
11 | 8363159528 |
12 | 397991573a |
13 | 1b0a8cb089 |
14 | d42d49970 |
15 | 79d41246a |
hex | 491fcf2de |
19629142750 has 48 divisors (see below), whose sum is σ = 42745088880. Its totient is φ = 6729987600.
The previous prime is 19629142721. The next prime is 19629142751. The reversal of 19629142750 is 5724192691.
It is a self number, because there is not a number n which added to its sum of digits gives 19629142750.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19629142751) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 788940 + ... + 813439.
It is an arithmetic number, because the mean of its divisors is an integer number (890522685).
Almost surely, 219629142750 is an apocalyptic number.
19629142750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
19629142750 is an abundant number, since it is smaller than the sum of its proper divisors (23115946130).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19629142750 is a wasteful number, since it uses less digits than its factorization.
19629142750 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1602410 (or 1602393 counting only the distinct ones).
The product of its (nonzero) digits is 272160, while the sum is 46.
The spelling of 19629142750 in words is "nineteen billion, six hundred twenty-nine million, one hundred forty-two thousand, seven hundred fifty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •