Search a number
-
+
19102402524 = 2238319179119
BaseRepresentation
bin10001110010100101…
…111000011111011100
31211022021112120222210
4101302211320133130
5303110203340044
612435302440420
71244242512432
oct216245703734
954267476883
1019102402524
118112898827
123851433110
131a5574297a
14cd2dd2d52
1576c0661b9
hex4729787dc

19102402524 has 24 divisors (see below), whose sum is σ = 45109290240. Its totient is φ = 6290750704.

The previous prime is 19102402493. The next prime is 19102402541. The reversal of 19102402524 is 42520420191.

It is a junction number, because it is equal to n+sod(n) for n = 19102402491 and 19102402500.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9588564 + ... + 9590555.

It is an arithmetic number, because the mean of its divisors is an integer number (1879553760).

Almost surely, 219102402524 is an apocalyptic number.

It is an amenable number.

19102402524 is an abundant number, since it is smaller than the sum of its proper divisors (26006887716).

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

19102402524 is a wasteful number, since it uses less digits than its factorization.

19102402524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19179209 (or 19179207 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The spelling of 19102402524 in words is "nineteen billion, one hundred two million, four hundred two thousand, five hundred twenty-four".

Divisors: 1 2 3 4 6 12 83 166 249 332 498 996 19179119 38358238 57537357 76716476 115074714 230149428 1591866877 3183733754 4775600631 6367467508 9551201262 19102402524