Search a number
-
+
4809957193 = 20981229253
BaseRepresentation
bin1000111101011001…
…00001111101001001
3110102012210010211201
410132230201331021
534322322112233
62113142024201
7230123650546
oct43654417511
913365703751
104809957193
112049106038
12b22a18061
135b867c822
14338b51bcd
151d241777d
hex11eb21f49

4809957193 has 4 divisors (see below), whose sum is σ = 4810207428. Its totient is φ = 4809706960.

The previous prime is 4809957181. The next prime is 4809957287. The reversal of 4809957193 is 3917599084.

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 3061630224 + 1748326969 = 55332^2 + 41813^2 .

It is a cyclic number.

It is not a de Polignac number, because 4809957193 - 29 = 4809956681 is a prime.

It is a super-3 number, since 3×48099571933 (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4809952193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93646 + ... + 135607.

It is an arithmetic number, because the mean of its divisors is an integer number (1202551857).

Almost surely, 24809957193 is an apocalyptic number.

It is an amenable number.

4809957193 is a deficient number, since it is larger than the sum of its proper divisors (250235).

4809957193 is a wasteful number, since it uses less digits than its factorization.

4809957193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250234.

The product of its (nonzero) digits is 2449440, while the sum is 55.

The square root of 4809957193 is about 69353.8549253032. The cubic root of 4809957193 is about 1688.0309446842.

The spelling of 4809957193 in words is "four billion, eight hundred nine million, nine hundred fifty-seven thousand, one hundred ninety-three".

Divisors: 1 20981 229253 4809957193