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4023195905 = 5804639181
BaseRepresentation
bin1110111111001101…
…0001100100000001
3101101101100112020202
43233303101210001
531214414232110
61503115014545
7201461413061
oct35763214401
911341315222
104023195905
111784a976a3
1294343a455
134c16836c1
142a24713a1
151883080a5
hexefcd1901

4023195905 has 4 divisors (see below), whose sum is σ = 4827835092. Its totient is φ = 3218556720.

The previous prime is 4023195887. The next prime is 4023195989. The reversal of 4023195905 is 5095913204.

4023195905 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1758292624 + 2264903281 = 41932^2 + 47591^2 .

It is not a de Polignac number, because 4023195905 - 214 = 4023179521 is a prime.

It is a super-2 number, since 2×40231959052 = 32372210580017538050, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 402319586 + ... + 402319595.

It is an arithmetic number, because the mean of its divisors is an integer number (1206958773).

Almost surely, 24023195905 is an apocalyptic number.

It is an amenable number.

4023195905 is a deficient number, since it is larger than the sum of its proper divisors (804639187).

4023195905 is an equidigital number, since it uses as much as digits as its factorization.

4023195905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804639186.

The product of its (nonzero) digits is 48600, while the sum is 38.

The square root of 4023195905 is about 63428.6678482214. The cubic root of 4023195905 is about 1590.4635734116.

The spelling of 4023195905 in words is "four billion, twenty-three million, one hundred ninety-five thousand, nine hundred five".

Divisors: 1 5 804639181 4023195905