Search a number
-
+
13425504231445 = 531322213862493
BaseRepresentation
bin1100001101011101111001…
…1010010010000000010101
31202112110120110210002120221
43003113132122102000111
53224430413040401240
644315331432554341
72553650340033325
oct303273632220025
952473513702527
1013425504231445
1143067a7155719
121609b522529b1
13765034137067
14345b25509285
15184365154a4a
hexc35de692015

13425504231445 has 16 divisors (see below), whose sum is σ = 16169357782512. Its totient is φ = 10701265835520.

The previous prime is 13425504231427. The next prime is 13425504231467. The reversal of 13425504231445 is 54413240552431.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 1748091199716 + 11677413031729 = 1322154^2 + 3417223^2 .

It is not a de Polignac number, because 13425504231445 - 25 = 13425504231413 is a prime.

It is a super-3 number, since 3×134255042314453 (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

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, 1544619 + ... + 5407111.

It is an arithmetic number, because the mean of its divisors is an integer number (1010584861407).

Almost surely, 213425504231445 is an apocalyptic number.

It is an amenable number.

13425504231445 is a deficient number, since it is larger than the sum of its proper divisors (2743853551067).

13425504231445 is a wasteful number, since it uses less digits than its factorization.

13425504231445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3865032.

The product of its (nonzero) digits is 1152000, while the sum is 43.

Adding to 13425504231445 its reverse (54413240552431), we get a palindrome (67838744783876).

The spelling of 13425504231445 in words is "thirteen trillion, four hundred twenty-five billion, five hundred four million, two hundred thirty-one thousand, four hundred forty-five".

Divisors: 1 5 313 1565 2221 11105 695173 3475865 3862493 19312465 1208960309 6044801545 8578596953 42892984765 2685100846289 13425504231445