Search a number
-
+
13724345523025 = 52548973820921
BaseRepresentation
bin1100011110110111001010…
…1111010101101101010001
31210121000221020101122012101
43013231302233111231101
53244324424423214100
645104513255000401
72614360035065224
oct307556257255521
953530836348171
1013724345523025
11441150a289155
121657a53669101
1378727ab9ab87
143563947c95bb
1518c005c3286a
hexc7b72bd5b51

13724345523025 has 6 divisors (see below), whose sum is σ = 17018188448582. Its totient is φ = 10979476418400.

The previous prime is 13724345522981. The next prime is 13724345523041. The reversal of 13724345523025 is 52032554342731.

It can be written as a sum of positive squares in 3 ways, for example, as 1431944896321 + 12292400626704 = 1196639^2 + 3506052^2 .

It is not a de Polignac number, because 13724345523025 - 29 = 13724345522513 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 274486910436 + ... + 274486910485.

Almost surely, 213724345523025 is an apocalyptic number.

It is an amenable number.

13724345523025 is a deficient number, since it is larger than the sum of its proper divisors (3293842925557).

13724345523025 is an equidigital number, since it uses as much as digits as its factorization.

13724345523025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548973820931 (or 548973820926 counting only the distinct ones).

The product of its (nonzero) digits is 3024000, while the sum is 46.

Adding to 13724345523025 its reverse (52032554342731), we get a palindrome (65756899865756).

The spelling of 13724345523025 in words is "thirteen trillion, seven hundred twenty-four billion, three hundred forty-five million, five hundred twenty-three thousand, twenty-five".

Divisors: 1 5 25 548973820921 2744869104605 13724345523025