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2057267923 = 9772105699
BaseRepresentation
bin111101010011111…
…0110101011010011
312022101010001001021
41322213312223103
513203130033143
6540050220311
7101660326444
oct17247665323
95271101037
102057267923
11966301927
12494b84697
1326a2a88c9
141573252cb
15c0925ced
hex7a9f6ad3

2057267923 has 4 divisors (see below), whose sum is σ = 2059374600. Its totient is φ = 2055161248.

The previous prime is 2057267899. The next prime is 2057267929. The reversal of 2057267923 is 3297627502.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2057267923 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2057267923.

It is not an unprimeable number, because it can be changed into a prime (2057267929) 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, 1051873 + ... + 1053826.

It is an arithmetic number, because the mean of its divisors is an integer number (514843650).

Almost surely, 22057267923 is an apocalyptic number.

2057267923 is a deficient number, since it is larger than the sum of its proper divisors (2106677).

2057267923 is an equidigital number, since it uses as much as digits as its factorization.

2057267923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2106676.

The product of its (nonzero) digits is 317520, while the sum is 43.

The square root of 2057267923 is about 45357.1154616340. The cubic root of 2057267923 is about 1271.8335725835.

The spelling of 2057267923 in words is "two billion, fifty-seven million, two hundred sixty-seven thousand, nine hundred twenty-three".

Divisors: 1 977 2105699 2057267923