Search a number
-
+
4819534381 = 31155468851
BaseRepresentation
bin1000111110100010…
…00100001000101101
3110102212210201021101
410133101010020231
534332300100011
62114123203101
7230301236434
oct43721041055
913385721241
104819534381
112053557572
12b26076491
135ba653abc
1433a12611b
151d31aa2c1
hex11f44422d

4819534381 has 4 divisors (see below), whose sum is σ = 4975003264. Its totient is φ = 4664065500.

The previous prime is 4819534361. The next prime is 4819534399. The reversal of 4819534381 is 1834359184.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4819534381 - 27 = 4819534253 is a prime.

It is a super-2 number, since 2×48195343812 = 46455823299282106322, 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 (4819534361) 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, 77734395 + ... + 77734456.

It is an arithmetic number, because the mean of its divisors is an integer number (1243750816).

Almost surely, 24819534381 is an apocalyptic number.

It is an amenable number.

4819534381 is a deficient number, since it is larger than the sum of its proper divisors (155468883).

4819534381 is a wasteful number, since it uses less digits than its factorization.

4819534381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155468882.

The product of its digits is 414720, while the sum is 46.

The square root of 4819534381 is about 69422.8664130199. The cubic root of 4819534381 is about 1689.1505576769.

The spelling of 4819534381 in words is "four billion, eight hundred nineteen million, five hundred thirty-four thousand, three hundred eighty-one".

Divisors: 1 31 155468851 4819534381