Search a number
-
+
2023440444221 = 71272276085989
BaseRepresentation
bin11101011100011110011…
…100101110101100111101
321011102212001011210102212
4131130132130232230331
5231123001223203341
64145320011030205
7266121511664420
oct35343634565475
97142761153385
102023440444221
1171015541a539
122881a613b365
13118a6a955901
146dd13a6d9b7
153797acde5eb
hex1d71e72eb3d

2023440444221 has 8 divisors (see below), whose sum is σ = 2330712053760. Its totient is φ = 1720721006928.

The previous prime is 2023440444197. The next prime is 2023440444229. The reversal of 2023440444221 is 1224440443202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2023440444221 - 210 = 2023440443197 is a prime.

It is a super-2 number, since 2×20234404442212 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2023440444229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1138042106 + ... + 1138043883.

It is an arithmetic number, because the mean of its divisors is an integer number (291339006720).

Almost surely, 22023440444221 is an apocalyptic number.

It is an amenable number.

2023440444221 is a deficient number, since it is larger than the sum of its proper divisors (307271609539).

2023440444221 is a wasteful number, since it uses less digits than its factorization.

2023440444221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2276086123.

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 2023440444221 its reverse (1224440443202), we get a palindrome (3247880887423).

The spelling of 2023440444221 in words is "two trillion, twenty-three billion, four hundred forty million, four hundred forty-four thousand, two hundred twenty-one".

Divisors: 1 7 127 889 2276085989 15932601923 289062920603 2023440444221