Search a number
-
+
5121248531 = 771101102023
BaseRepresentation
bin1001100010100000…
…00000110100010011
3111012220112101021112
410301100000310103
540442014423111
62204102043535
7240623615510
oct46120006423
914186471245
105121248531
1121988a1903
12bab1195ab
13638001b99
14368224307
151ee906e8b
hex131400d13

5121248531 has 16 divisors (see below), whose sum is σ = 5994114048. Its totient is φ = 4284924000.

The previous prime is 5121248519. The next prime is 5121248537. The reversal of 5121248531 is 1358421215.

It is not a de Polignac number, because 5121248531 - 222 = 5117054227 is a prime.

It is a super-2 number, since 2×51212485312 = 52454373032539315922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5121248537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 815 + ... + 101208.

It is an arithmetic number, because the mean of its divisors is an integer number (374632128).

Almost surely, 25121248531 is an apocalyptic number.

5121248531 is a deficient number, since it is larger than the sum of its proper divisors (872865517).

5121248531 is a wasteful number, since it uses less digits than its factorization.

5121248531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102202.

The product of its digits is 9600, while the sum is 32.

The square root of 5121248531 is about 71562.8991237778. The cubic root of 5121248531 is about 1723.6878384777.

Adding to 5121248531 its reverse (1358421215), we get a palindrome (6479669746).

The spelling of 5121248531 in words is "five billion, one hundred twenty-one million, two hundred forty-eight thousand, five hundred thirty-one".

Divisors: 1 7 71 101 497 707 7171 50197 102023 714161 7243633 10304323 50705431 72130261 731606933 5121248531