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13125410451 = 333782715887
BaseRepresentation
bin11000011100101010…
…11101111010010011
31020212201202221021000
430032111131322103
5203340101113301
610010231033043
7643155101526
oct141625357223
936781687230
1013125410451
115625a5215a
12266380b783
13131237147a
148c7292bbd
1551c475786
hex30e55de93

13125410451 has 32 divisors (see below), whose sum is σ = 19996001280. Its totient is φ = 8502949728.

The previous prime is 13125410423. The next prime is 13125410461. The reversal of 13125410451 is 15401452131.

It is not a de Polignac number, because 13125410451 - 211 = 13125408403 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (13125410461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 818230 + ... + 834116.

It is an arithmetic number, because the mean of its divisors is an integer number (624875040).

Almost surely, 213125410451 is an apocalyptic number.

13125410451 is a deficient number, since it is larger than the sum of its proper divisors (6870590829).

13125410451 is a wasteful number, since it uses less digits than its factorization.

13125410451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16760 (or 16754 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

Adding to 13125410451 its reverse (15401452131), we get a palindrome (28526862582).

The spelling of 13125410451 in words is "thirteen billion, one hundred twenty-five million, four hundred ten thousand, four hundred fifty-one".

Divisors: 1 3 9 27 37 111 333 827 999 2481 7443 15887 22329 30599 47661 91797 142983 275391 428949 587819 826173 1763457 5290371 13138549 15871113 39415647 118246941 354740823 486126313 1458378939 4375136817 13125410451