Search a number
-
+
221760672430601 = 1683113175727671
BaseRepresentation
bin110010011011000010101110…
…000110101111101000001001
31002002012010001112220012120102
4302123002232012233220021
5213031311324120234401
62103351240240135145
764465452123144653
oct6233025606575011
91062163045805512
10221760672430601
116472919a330aa7
1220a568546074b5
139697c31b41095
143ca93b94c16d3
151a9878602056b
hexc9b0ae1afa09

221760672430601 has 4 divisors (see below), whose sum is σ = 221773848175104. Its totient is φ = 221747496686100.

The previous prime is 221760672430567. The next prime is 221760672430639. The reversal of 221760672430601 is 106034276067122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 221760672430601 - 238 = 221485794523657 is a prime.

It is a super-2 number, since 2×2217606724306012 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221760672430201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6587847005 + ... + 6587880666.

It is an arithmetic number, because the mean of its divisors is an integer number (55443462043776).

Almost surely, 2221760672430601 is an apocalyptic number.

It is an amenable number.

221760672430601 is a deficient number, since it is larger than the sum of its proper divisors (13175744503).

221760672430601 is a wasteful number, since it uses less digits than its factorization.

221760672430601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13175744502.

The product of its (nonzero) digits is 1016064, while the sum is 47.

The spelling of 221760672430601 in words is "two hundred twenty-one trillion, seven hundred sixty billion, six hundred seventy-two million, four hundred thirty thousand, six hundred one".

Divisors: 1 16831 13175727671 221760672430601