Search a number
-
+
14393697661465 = 52878739532293
BaseRepresentation
bin1101000101110100101100…
…1111000111001000011001
31212222000122112112100120121
43101131023033013020121
53341311243100131330
650340212354153241
73013624150303543
oct321351317071031
955860575470517
1014393697661465
11464a3730a5841
121745718282821
1380542098a195
1437a931600693
1519e62e38c17a
hexd174b3c7219

14393697661465 has 4 divisors (see below), whose sum is σ = 17272437193764. Its totient is φ = 11514958129168.

The previous prime is 14393697661439. The next prime is 14393697661501. The reversal of 14393697661465 is 56416679639341.

14393697661465 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10417737433104 + 3975960228361 = 3227652^2 + 1993981^2 .

It is a cyclic number.

It is not a de Polignac number, because 14393697661465 - 211 = 14393697659417 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14393697661394 and 14393697661403.

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, 1439369766142 + ... + 1439369766151.

It is an arithmetic number, because the mean of its divisors is an integer number (4318109298441).

Almost surely, 214393697661465 is an apocalyptic number.

It is an amenable number.

14393697661465 is a deficient number, since it is larger than the sum of its proper divisors (2878739532299).

14393697661465 is an equidigital number, since it uses as much as digits as its factorization.

14393697661465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2878739532298.

The product of its digits is 529079040, while the sum is 70.

The spelling of 14393697661465 in words is "fourteen trillion, three hundred ninety-three billion, six hundred ninety-seven million, six hundred sixty-one thousand, four hundred sixty-five".

Divisors: 1 5 2878739532293 14393697661465