Search a number
-
+
13125515042 = 264271021123
BaseRepresentation
bin11000011100101011…
…10111011100100010
31020212201222020201202
430032111313130202
5203340112440132
610010233201202
7643156015463
oct141625673442
936781866652
1013125515042
1156260137a2
122663860202
1313123a9c63
148c72bcd6a
1551c496762
hex30e577722

13125515042 has 8 divisors (see below), whose sum is σ = 19691355216. Its totient is φ = 6561729972.

The previous prime is 13125515027. The next prime is 13125515059. The reversal of 13125515042 is 24051552131.

13125515042 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 13125514996 and 13125515014.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 497708 + ... + 523415.

It is an arithmetic number, because the mean of its divisors is an integer number (2461419402).

Almost surely, 213125515042 is an apocalyptic number.

13125515042 is a deficient number, since it is larger than the sum of its proper divisors (6565840174).

13125515042 is a wasteful number, since it uses less digits than its factorization.

13125515042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1027552.

The product of its (nonzero) digits is 6000, while the sum is 29.

The spelling of 13125515042 in words is "thirteen billion, one hundred twenty-five million, five hundred fifteen thousand, forty-two".

Divisors: 1 2 6427 12854 1021123 2042246 6562757521 13125515042