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5131147723 = 1317792771061
BaseRepresentation
bin1001100011101011…
…10001100111001011
3111020121011022102021
410301311301213023
541002033211343
62205054145311
7241104015232
oct46165614713
914217138367
105131147723
1121a3443259
12bb24b2237
1363a0898b0
1436967db19
152007100ed
hex131d719cb

5131147723 has 32 divisors (see below), whose sum is σ = 5951957760. Its totient is φ = 4381378560.

The previous prime is 5131147699. The next prime is 5131147729. The reversal of 5131147723 is 3277411315.

It is not a de Polignac number, because 5131147723 - 229 = 4594276811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5131147729) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4835613 + ... + 4836673.

It is an arithmetic number, because the mean of its divisors is an integer number (185998680).

Almost surely, 25131147723 is an apocalyptic number.

5131147723 is a deficient number, since it is larger than the sum of its proper divisors (820810037).

5131147723 is a wasteful number, since it uses less digits than its factorization.

5131147723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1447.

The product of its digits is 17640, while the sum is 34.

The square root of 5131147723 is about 71632.0300075322. The cubic root of 5131147723 is about 1724.7977328336.

The spelling of 5131147723 in words is "five billion, one hundred thirty-one million, one hundred forty-seven thousand, seven hundred twenty-three".

Divisors: 1 13 17 79 221 277 1027 1061 1343 3601 4709 13793 17459 18037 21883 61217 83819 234481 284479 293897 372011 1089647 1424923 3820661 4836143 4996249 18523999 23217863 64951237 301832219 394703671 5131147723