Search a number
-
+
13988565276049 = 731323136397957
BaseRepresentation
bin1100101110001111011101…
…1101101101010110010001
31211112021221011110210101001
43023203313131231112101
53313142040202313144
645430131433142001
72642432454661000
oct313436735552621
954467834423331
1013988565276049
114503576465301
12169b0b225a901
137a6167c4aac0
1436509b958c37
15193d1c0dbbd4
hexcb8f776d591

13988565276049 has 32 divisors (see below), whose sum is σ = 18331885555200. Its totient is φ = 10586663752896.

The previous prime is 13988565276041. The next prime is 13988565276073. The reversal of 13988565276049 is 94067256588931.

It is not a de Polignac number, because 13988565276049 - 23 = 13988565276041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13988565276041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68096422 + ... + 68301535.

It is an arithmetic number, because the mean of its divisors is an integer number (572871423600).

It is a 1-persistent number, because it is pandigital, but 2⋅13988565276049 = 27977130552098 is not.

Almost surely, 213988565276049 is an apocalyptic number.

It is an amenable number.

13988565276049 is a deficient number, since it is larger than the sum of its proper divisors (4343320279151).

13988565276049 is a wasteful number, since it uses less digits than its factorization.

13988565276049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136398014 (or 136398000 counting only the distinct ones).

The product of its (nonzero) digits is 783820800, while the sum is 73.

The spelling of 13988565276049 in words is "thirteen trillion, nine hundred eighty-eight billion, five hundred sixty-five million, two hundred seventy-six thousand, forty-nine".

Divisors: 1 7 13 23 49 91 161 299 343 637 1127 2093 4459 7889 14651 102557 136397957 954785699 1773173441 3137153011 6683499893 12412214087 21960071077 40782989143 46784499251 86885498609 153720497539 285480924001 608198490263 1076043482773 1998366468007 13988565276049