Search a number
-
+
5217048731 = 41127245091
BaseRepresentation
bin1001101101111010…
…11101100010011011
3111110120210112110002
410312331131202123
541141031024411
62221403243215
7243166116416
oct46675354233
914416715402
105217048731
112237984a24
12101721950b
13651b04bab
14376c40b7d
1520802c33b
hex136f5d89b

5217048731 has 4 divisors (see below), whose sum is σ = 5344293864. Its totient is φ = 5089803600.

The previous prime is 5217048719. The next prime is 5217048743. The reversal of 5217048731 is 1378407125.

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

It is an interprime number because it is at equal distance from previous prime (5217048719) and next prime (5217048743).

It is a cyclic number.

It is not a de Polignac number, because 5217048731 - 26 = 5217048667 is a prime.

It is a super-2 number, since 2×52170487312 = 54435194923257420722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5217048751) 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, 63622505 + ... + 63622586.

It is an arithmetic number, because the mean of its divisors is an integer number (1336073466).

Almost surely, 25217048731 is an apocalyptic number.

5217048731 is a deficient number, since it is larger than the sum of its proper divisors (127245133).

5217048731 is a wasteful number, since it uses less digits than its factorization.

5217048731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127245132.

The product of its (nonzero) digits is 47040, while the sum is 38.

The square root of 5217048731 is about 72229.1404559129. The cubic root of 5217048731 is about 1734.3695141502.

The spelling of 5217048731 in words is "five billion, two hundred seventeen million, forty-eight thousand, seven hundred thirty-one".

Divisors: 1 41 127245091 5217048731