Search a number
-
+
245464746376679 = 1877130775038027
BaseRepresentation
bin110111110011111110110111…
…000000110011110111100111
31012012010012102012222021210222
4313303332313000303313213
5224133143300033023204
62230020540414034555
7102463146146224214
oct6763766700636747
91165105365867728
10245464746376679
1171238018093395
1223644866aa8a5b
13a6c72c313400b
1444887b2a1cb0b
151d5a17c182abe
hexdf3fb7033de7

245464746376679 has 4 divisors (see below), whose sum is σ = 245595521416584. Its totient is φ = 245333971336776.

The previous prime is 245464746376649. The next prime is 245464746376687. The reversal of 245464746376679 is 976673647464542.

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

It is a cyclic number.

It is not a de Polignac number, because 245464746376679 - 216 = 245464746311143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245464746376649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65387517137 + ... + 65387520890.

It is an arithmetic number, because the mean of its divisors is an integer number (61398880354146).

Almost surely, 2245464746376679 is an apocalyptic number.

245464746376679 is a deficient number, since it is larger than the sum of its proper divisors (130775039905).

245464746376679 is a wasteful number, since it uses less digits than its factorization.

245464746376679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130775039904.

The product of its digits is 30725775360, while the sum is 80.

The spelling of 245464746376679 in words is "two hundred forty-five trillion, four hundred sixty-four billion, seven hundred forty-six million, three hundred seventy-six thousand, six hundred seventy-nine".

Divisors: 1 1877 130775038027 245464746376679