Search a number
-
+
5168987089 = 73159340169
BaseRepresentation
bin1001101000001100…
…00111101111010001
3111100020100202021021
410310012013233101
541041230041324
62212525155441
7242043444130
oct46406075721
914306322237
105168987089
112212838562
1210030bbb81
13644b77b56
143706cd917
15203bd6ae4
hex134187bd1

5168987089 has 16 divisors (see below), whose sum is σ = 6108410880. Its totient is φ = 4280302080.

The previous prime is 5168987053. The next prime is 5168987113. The reversal of 5168987089 is 9807898615.

It is a cyclic number.

It is not a de Polignac number, because 5168987089 - 27 = 5168986961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5168987689) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108597 + ... + 148765.

It is an arithmetic number, because the mean of its divisors is an integer number (381775680).

Almost surely, 25168987089 is an apocalyptic number.

It is an amenable number.

5168987089 is a deficient number, since it is larger than the sum of its proper divisors (939423791).

5168987089 is a wasteful number, since it uses less digits than its factorization.

5168987089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40800.

The product of its (nonzero) digits is 8709120, while the sum is 61.

The square root of 5168987089 is about 71895.6680822983. The cubic root of 5168987089 is about 1729.0271618421.

The spelling of 5168987089 in words is "five billion, one hundred sixty-eight million, nine hundred eighty-seven thousand, eighty-nine".

Divisors: 1 7 31 217 593 4151 18383 40169 128681 281183 1245239 8716673 23820217 166741519 738426727 5168987089