Search a number
-
+
13405501445455 = 57874743788079
BaseRepresentation
bin1100001100010011011000…
…1001101101010101001111
31202110112221110000021200101
43003010312021231111033
53224113431332223310
644302222523511531
72552341552124110
oct303046611552517
952415843007611
1013405501445455
1142a92720a3529
1216060ab3885a7
13763196cc5312
14344b88ada207
15183a9403843a
hexc313626d54f

13405501445455 has 16 divisors (see below), whose sum is σ = 18386789944320. Its totient is φ = 9191292724512.

The previous prime is 13405501445389. The next prime is 13405501445507. The reversal of 13405501445455 is 55454410550431.

13405501445455 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 13405501445455 - 229 = 13404964574543 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21587895 + ... + 22200184.

It is an arithmetic number, because the mean of its divisors is an integer number (1149174371520).

Almost surely, 213405501445455 is an apocalyptic number.

13405501445455 is a deficient number, since it is larger than the sum of its proper divisors (4981288498865).

13405501445455 is an equidigital number, since it uses as much as digits as its factorization.

13405501445455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43796838.

The product of its (nonzero) digits is 2400000, while the sum is 46.

Adding to 13405501445455 its reverse (55454410550431), we get a palindrome (68859911995886).

The spelling of 13405501445455 in words is "thirteen trillion, four hundred five billion, five hundred one million, four hundred forty-five thousand, four hundred fifty-five".

Divisors: 1 5 7 35 8747 43735 61229 306145 43788079 218940395 306516553 1532582765 383014327013 1915071635065 2681100289091 13405501445455