Search a number
-
+
10530531145431 = 36111313197549
BaseRepresentation
bin1001100100111101010010…
…0100010111011011010111
31101021201010211011212000000
42121033110210113123113
52340013011433123211
634221354220422343
72134543243565523
oct231172444273327
941251124155000
1010530531145431
11339aa78334a10
121220a796a79b3
135b504270990b
1428597513cd83
15133dcb11b656
hex993d49176d7

10530531145431 has 28 divisors (see below), whose sum is σ = 17223899065800. Its totient is φ = 6382140083280.

The previous prime is 10530531145399. The next prime is 10530531145457. The reversal of 10530531145431 is 13454113503501.

10530531145431 is a `hidden beast` number, since 1 + 0 + 5 + 30 + 53 + 1 + 145 + 431 = 666.

It is not a de Polignac number, because 10530531145431 - 25 = 10530531145399 is a prime.

It is a super-2 number, since 2×105305311454312 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10530531145031) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 656590756 + ... + 656606793.

It is an arithmetic number, because the mean of its divisors is an integer number (615139252350).

Almost surely, 210530531145431 is an apocalyptic number.

10530531145431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10530531145431 is a deficient number, since it is larger than the sum of its proper divisors (6693367920369).

10530531145431 is an equidigital number, since it uses as much as digits as its factorization.

10530531145431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1313197578 (or 1313197563 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

Adding to 10530531145431 its reverse (13454113503501), we get a palindrome (23984644648932).

The spelling of 10530531145431 in words is "ten trillion, five hundred thirty billion, five hundred thirty-one million, one hundred forty-five thousand, four hundred thirty-one".

Divisors: 1 3 9 11 27 33 81 99 243 297 729 891 2673 8019 1313197549 3939592647 11818777941 14445173039 35456333823 43335519117 106369001469 130006557351 319107004407 390019672053 957321013221 1170059016159 3510177048477 10530531145431