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13524042540 = 2235593820351
BaseRepresentation
bin11001001100001100…
…01000001100101100
31021220111212112200110
430212012020030230
5210144123330130
610113551100020
7656065315311
oct144606101454
937814775613
1013524042540
11580aa73368
122755211610
131376b24248
149241bcd08
15542468ab0
hex32618832c

13524042540 has 48 divisors (see below), whose sum is σ = 38509148160. Its totient is φ = 3545284800.

The previous prime is 13524042517. The next prime is 13524042541. The reversal of 13524042540 is 4524042531.

It is a super-3 number, since 3×135240425403 (a number of 31 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 13524042498 and 13524042507.

It is not an unprimeable number, because it can be changed into a prime (13524042541) 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 15 ways as a sum of consecutive naturals, for example, 1906636 + ... + 1913715.

It is an arithmetic number, because the mean of its divisors is an integer number (802273920).

Almost surely, 213524042540 is an apocalyptic number.

13524042540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13524042540 is an abundant number, since it is smaller than the sum of its proper divisors (24985105620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13524042540 is a wasteful number, since it uses less digits than its factorization.

13524042540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3820422 (or 3820420 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Subtracting from 13524042540 its reverse (4524042531), we obtain a palindrome (9000000009).

The spelling of 13524042540 in words is "thirteen billion, five hundred twenty-four million, forty-two thousand, five hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 59 60 118 177 236 295 354 590 708 885 1180 1770 3540 3820351 7640702 11461053 15281404 19101755 22922106 38203510 45844212 57305265 76407020 114610530 225400709 229221060 450801418 676202127 901602836 1127003545 1352404254 2254007090 2704808508 3381010635 4508014180 6762021270 13524042540