Base | Representation |
---|---|
bin | 10010010010000000… |
… | …010101010101111110 |
3 | 1212200000020100222012 |
4 | 102102000111111332 |
5 | 310200113231032 |
6 | 13003450451222 |
7 | 1263302255210 |
oct | 222200252576 |
9 | 55600210865 |
10 | 19629430142 |
11 | 8363335443 |
12 | 3979a33b12 |
13 | 1b0a99bb2a |
14 | d42dc25b0 |
15 | 79d46c6b2 |
hex | 49201557e |
19629430142 has 16 divisors (see below), whose sum is σ = 33664882272. Its totient is φ = 8409005280.
The previous prime is 19629430141. The next prime is 19629430153. The reversal of 19629430142 is 24103492691.
It is a self number, because there is not a number n which added to its sum of digits gives 19629430142.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19629430141) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 266693 + ... + 332240.
It is an arithmetic number, because the mean of its divisors is an integer number (2104055142).
Almost surely, 219629430142 is an apocalyptic number.
19629430142 is a deficient number, since it is larger than the sum of its proper divisors (14035452130).
19629430142 is a wasteful number, since it uses less digits than its factorization.
19629430142 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 601283.
The product of its (nonzero) digits is 93312, while the sum is 41.
The spelling of 19629430142 in words is "nineteen billion, six hundred twenty-nine million, four hundred thirty thousand, one hundred forty-two".
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