Search a number
-
+
19098015954 = 2320871525157
BaseRepresentation
bin10001110010010101…
…001001100011010010
31211021222021201202020
4101302111021203102
5303103043002304
612435024432310
71244160312543
oct216225114322
954258251666
1019098015954
118110372066
12384ba78696
131a54868174
14cd25b04ca
1576b99b5d9
hex4725498d2

19098015954 has 16 divisors (see below), whose sum is σ = 38214358848. Its totient is φ = 6362950832.

The previous prime is 19098015949. The next prime is 19098015971. The reversal of 19098015954 is 45951089091.

It is a junction number, because it is equal to n+sod(n) for n = 19098015897 and 19098015906.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 750057 + ... + 775100.

It is an arithmetic number, because the mean of its divisors is an integer number (2388397428).

Almost surely, 219098015954 is an apocalyptic number.

19098015954 is an abundant number, since it is smaller than the sum of its proper divisors (19116342894).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19098015954 is a wasteful number, since it uses less digits than its factorization.

19098015954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1527249.

The product of its (nonzero) digits is 583200, while the sum is 51.

The spelling of 19098015954 in words is "nineteen billion, ninety-eight million, fifteen thousand, nine hundred fifty-four".

Divisors: 1 2 3 6 2087 4174 6261 12522 1525157 3050314 4575471 9150942 3183002659 6366005318 9549007977 19098015954