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4912223971 = 18119271109
BaseRepresentation
bin1001001001100101…
…01001011011100011
3110200100012211111011
410210302221123203
540030012131341
62131234001351
7232505133454
oct44462513343
913610184434
104912223971
1120a0905636
12b51116257
13603908005
1434857312b
151db3b8b81
hex124ca96e3

4912223971 has 4 divisors (see below), whose sum is σ = 4912513200. Its totient is φ = 4911934744.

The previous prime is 4912223951. The next prime is 4912223989. The reversal of 4912223971 is 1793222194.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1793222194 = 2896611097.

It is a cyclic number.

It is not a de Polignac number, because 4912223971 - 227 = 4778006243 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4912223951) 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, 117436 + ... + 153673.

It is an arithmetic number, because the mean of its divisors is an integer number (1228128300).

Almost surely, 24912223971 is an apocalyptic number.

4912223971 is a deficient number, since it is larger than the sum of its proper divisors (289229).

4912223971 is a wasteful number, since it uses less digits than its factorization.

4912223971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289228.

The product of its digits is 54432, while the sum is 40.

The square root of 4912223971 is about 70087.2596910451. The cubic root of 4912223971 is about 1699.9104879051.

It can be divided in two parts, 4912223 and 971, that added together give a palindrome (4913194).

The spelling of 4912223971 in words is "four billion, nine hundred twelve million, two hundred twenty-three thousand, nine hundred seventy-one".

Divisors: 1 18119 271109 4912223971