Search a number
-
+
4019502919 = 28837139387
BaseRepresentation
bin1110111110010100…
…1011111101000111
3101101010101220102111
43233211023331013
531212443043134
61502503521451
7201415132255
oct35745137507
911333356374
104019502919
1117829a5043
12942159287
134c098c7c3
142a1b8d5d5
15187d28c64
hexef94bf47

4019502919 has 4 divisors (see below), whose sum is σ = 4019671144. Its totient is φ = 4019334696.

The previous prime is 4019502917. The next prime is 4019502923. The reversal of 4019502919 is 9192059104.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4019502919 - 21 = 4019502917 is a prime.

It is a super-2 number, since 2×40195029192 = 32312807431699041122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4019502911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40857 + ... + 98530.

It is an arithmetic number, because the mean of its divisors is an integer number (1004917786).

Almost surely, 24019502919 is an apocalyptic number.

4019502919 is a deficient number, since it is larger than the sum of its proper divisors (168225).

4019502919 is a wasteful number, since it uses less digits than its factorization.

4019502919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168224.

The product of its (nonzero) digits is 29160, while the sum is 40.

The square root of 4019502919 is about 63399.5498327867. The cubic root of 4019502919 is about 1589.9767831479.

The spelling of 4019502919 in words is "four billion, nineteen million, five hundred two thousand, nine hundred nineteen".

Divisors: 1 28837 139387 4019502919