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2152251223 = 11324179031
BaseRepresentation
bin1000000001001000…
…1011111101010111
312112222211200122021
42000102023331113
513401434014343
6553322114011
7104222555623
oct20022137527
95488750567
102152251223
11a04987221
1250094b907
13283b83b45
14165bac183
15c8e390ed
hex8048bf57

2152251223 has 8 divisors (see below), whose sum is σ = 2180334816. Its totient is φ = 2124326400.

The previous prime is 2152251193. The next prime is 2152251287. The reversal of 2152251223 is 3221522512.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2152251223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2152231223) 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, 12283 + ... + 66748.

It is an arithmetic number, because the mean of its divisors is an integer number (272541852).

Almost surely, 22152251223 is an apocalyptic number.

2152251223 is a deficient number, since it is larger than the sum of its proper divisors (28083593).

2152251223 is a wasteful number, since it uses less digits than its factorization.

2152251223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79385.

The product of its digits is 2400, while the sum is 25.

The square root of 2152251223 is about 46392.3616881055. The cubic root of 2152251223 is about 1291.1131995004.

Adding to 2152251223 its reverse (3221522512), we get a palindrome (5373773735).

The spelling of 2152251223 in words is "two billion, one hundred fifty-two million, two hundred fifty-one thousand, two hundred twenty-three".

Divisors: 1 113 241 27233 79031 8930503 19046471 2152251223