Search a number
-
+
4981719469 = 11344086013
BaseRepresentation
bin1001010001110111…
…10000000110101101
3110212011222120101111
410220323300012231
540200310010334
62142155312021
7234310626316
oct45073600655
913764876344
104981719469
112127061631
12b7044b611
1361512accc
143538a360d
151e2545064
hex128ef01ad

4981719469 has 4 divisors (see below), whose sum is σ = 5025805596. Its totient is φ = 4937633344.

The previous prime is 4981719461. The next prime is 4981719481. The reversal of 4981719469 is 9649171894.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9649171894 = 24824585947.

It can be written as a sum of positive squares in 2 ways, for example, as 2061614025 + 2920105444 = 45405^2 + 54038^2 .

It is a cyclic number.

It is not a de Polignac number, because 4981719469 - 23 = 4981719461 is a prime.

It is a super-2 number, since 2×49817194692 = 49635057735627283922, 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 (4981719461) 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, 22042894 + ... + 22043119.

It is an arithmetic number, because the mean of its divisors is an integer number (1256451399).

Almost surely, 24981719469 is an apocalyptic number.

It is an amenable number.

4981719469 is a deficient number, since it is larger than the sum of its proper divisors (44086127).

4981719469 is a wasteful number, since it uses less digits than its factorization.

4981719469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44086126.

The product of its digits is 3919104, while the sum is 58.

The square root of 4981719469 is about 70581.2968781390. The cubic root of 4981719469 is about 1707.8894505697.

The spelling of 4981719469 in words is "four billion, nine hundred eighty-one million, seven hundred nineteen thousand, four hundred sixty-nine".

Divisors: 1 113 44086013 4981719469