Search a number
-
+
6845970567145 = 511091234620481
BaseRepresentation
bin110001110011111001110…
…1001001100111111101001
3220020110122110102001202211
41203213303221030333221
51344131021431122040
622320555004125121
71304414350455253
oct143476351147751
926213573361684
106845970567145
1121aa3a5a026a6
129269658367a1
133a8759320998
141994bd66ccd3
15bd12ced38ea
hex639f3a4cfe9

6845970567145 has 8 divisors (see below), whose sum is σ = 8222572410120. Its totient is φ = 5471837967360.

The previous prime is 6845970567131. The next prime is 6845970567169. The reversal of 6845970567145 is 5417650795486.

6845970567145 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 339920482729 + 6506050084416 = 583027^2 + 2550696^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-6845970567145 is a prime.

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, 617304696 + ... + 617315785.

It is an arithmetic number, because the mean of its divisors is an integer number (1027821551265).

Almost surely, 26845970567145 is an apocalyptic number.

It is an amenable number.

6845970567145 is a deficient number, since it is larger than the sum of its proper divisors (1376601842975).

6845970567145 is a wasteful number, since it uses less digits than its factorization.

6845970567145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1234621595.

The product of its (nonzero) digits is 254016000, while the sum is 67.

The spelling of 6845970567145 in words is "six trillion, eight hundred forty-five billion, nine hundred seventy million, five hundred sixty-seven thousand, one hundred forty-five".

Divisors: 1 5 1109 5545 1234620481 6173102405 1369194113429 6845970567145