Base | Representation |
---|---|
bin | 10010001000110000… |
… | …011100101011101001 |
3 | 1212021012021110120120 |
4 | 102020300130223221 |
5 | 304340403132303 |
6 | 12540225113453 |
7 | 1256406400104 |
oct | 221060345351 |
9 | 55235243516 |
10 | 19474270953 |
11 | 829379a005 |
12 | 3935a88889 |
13 | 1ab47b4867 |
14 | d2a55373b |
15 | 78ea1e553 |
hex | 488c1cae9 |
19474270953 has 16 divisors (see below), whose sum is σ = 26319725376. Its totient is φ = 12806922240.
The previous prime is 19474270927. The next prime is 19474270969. The reversal of 19474270953 is 35907247491.
It is a happy number.
It is not a de Polignac number, because 19474270953 - 26 = 19474270889 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 19474270896 and 19474270905.
It is not an unprimeable number, because it can be changed into a prime (19474270973) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64600 + ... + 207657.
It is an arithmetic number, because the mean of its divisors is an integer number (1644982836).
Almost surely, 219474270953 is an apocalyptic number.
It is an amenable number.
19474270953 is a deficient number, since it is larger than the sum of its proper divisors (6845454423).
19474270953 is a wasteful number, since it uses less digits than its factorization.
19474270953 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 272584.
The product of its (nonzero) digits is 1905120, while the sum is 51.
The spelling of 19474270953 in words is "nineteen billion, four hundred seventy-four million, two hundred seventy thousand, nine hundred fifty-three".
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