Search a number
-
+
5388831557 is a prime number
BaseRepresentation
bin1010000010011001…
…10000101101000101
3111220120001000011222
411001030300231011
542014020102212
62250421210125
7250353212114
oct50114605505
914816030158
105388831557
1123159449aa
121064860945
1367b58c835
14391999c7b
15218160c72
hex141330b45

5388831557 has 2 divisors, whose sum is σ = 5388831558. Its totient is φ = 5388831556.

The previous prime is 5388831499. The next prime is 5388831563. The reversal of 5388831557 is 7551388835.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3225558436 + 2163273121 = 56794^2 + 46511^2 .

It is a cyclic number.

It is not a de Polignac number, because 5388831557 - 216 = 5388766021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5388831499 and 5388831508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5388831157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2694415778 + 2694415779.

It is an arithmetic number, because the mean of its divisors is an integer number (2694415779).

Almost surely, 25388831557 is an apocalyptic number.

It is an amenable number.

5388831557 is a deficient number, since it is larger than the sum of its proper divisors (1).

5388831557 is an equidigital number, since it uses as much as digits as its factorization.

5388831557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032000, while the sum is 53.

The square root of 5388831557 is about 73408.6613213999. The cubic root of 5388831557 is about 1753.2002997714.

The spelling of 5388831557 in words is "five billion, three hundred eighty-eight million, eight hundred thirty-one thousand, five hundred fifty-seven".