Search a number
-
+
13145025424 = 244729359659
BaseRepresentation
bin11000011111000000…
…10010101110010000
31020221002200110221111
430033200102232100
5203410111303144
610012211303104
7643513605166
oct141740225620
936832613844
1013145025424
11563602a183
12266a2aaa94
13131644b56b
148c9b1b236
1551e04c534
hex30f812b90

13145025424 has 40 divisors (see below), whose sum is σ = 26099579520. Its totient is φ = 6410610048.

The previous prime is 13145025353. The next prime is 13145025473. The reversal of 13145025424 is 42452054131.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190507 + ... + 250165.

It is an arithmetic number, because the mean of its divisors is an integer number (652489488).

Almost surely, 213145025424 is an apocalyptic number.

It is an amenable number.

13145025424 is a deficient number, since it is larger than the sum of its proper divisors (12954554096).

13145025424 is a wasteful number, since it uses less digits than its factorization.

13145025424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60007 (or 60001 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 13145025424 its reverse (42452054131), we get a palindrome (55597079555).

The spelling of 13145025424 in words is "thirteen billion, one hundred forty-five million, twenty-five thousand, four hundred twenty-four".

Divisors: 1 2 4 8 16 47 94 188 293 376 586 752 1172 2344 4688 13771 27542 55084 59659 110168 119318 220336 238636 477272 954544 2803973 5607946 11215892 17480087 22431784 34960174 44863568 69920348 139840696 279681392 821564089 1643128178 3286256356 6572512712 13145025424