Search a number
-
+
5131030545 = 325163699527
BaseRepresentation
bin1001100011101010…
…10101000000010001
3111020120221100200100
410301311111000101
541002020434140
62205051443013
7241103016504
oct46165250021
914216840610
105131030545
1121a3373213
12bb2456469
1363a048464
1436964d13b
152006da530
hex131d55011

5131030545 has 24 divisors (see below), whose sum is σ = 8948362176. Its totient is φ = 2719757088.

The previous prime is 5131030517. The next prime is 5131030549. The reversal of 5131030545 is 5450301315.

5131030545 is a `hidden beast` number, since 5 + 1 + 310 + 305 + 45 = 666.

It is not a de Polignac number, because 5131030545 - 216 = 5130965009 is a prime.

It is a super-4 number, since 4×51310305454 (a number of 40 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (5131030549) 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 in 23 ways as a sum of consecutive naturals, for example, 342429 + ... + 357098.

It is an arithmetic number, because the mean of its divisors is an integer number (372848424).

Almost surely, 25131030545 is an apocalyptic number.

It is an amenable number.

5131030545 is a deficient number, since it is larger than the sum of its proper divisors (3817331631).

5131030545 is a wasteful number, since it uses less digits than its factorization.

5131030545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 699701 (or 699698 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 5131030545 is about 71631.2120866316. The cubic root of 5131030545 is about 1724.7846032247.

The spelling of 5131030545 in words is "five billion, one hundred thirty-one million, thirty thousand, five hundred forty-five".

Divisors: 1 3 5 9 15 45 163 489 815 1467 2445 7335 699527 2098581 3497635 6295743 10492905 31478715 114022901 342068703 570114505 1026206109 1710343515 5131030545