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2152505234 = 211831178809
BaseRepresentation
bin1000000001001100…
…1001111110010010
312120000022121002002
42000103021332102
513402020131414
6553331354002
7104224664315
oct20023117622
95500277062
102152505234
11a05040050
12500a52902
13283c42649
14165c3697c
15c8e894de
hex804c9f92

2152505234 has 16 divisors (see below), whose sum is σ = 3564721440. Its totient is φ = 966622560.

The previous prime is 2152505221. The next prime is 2152505281. The reversal of 2152505234 is 4325052512.

It is a junction number, because it is equal to n+sod(n) for n = 2152505197 and 2152505206.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 587579 + ... + 591230.

It is an arithmetic number, because the mean of its divisors is an integer number (222795090).

Almost surely, 22152505234 is an apocalyptic number.

2152505234 is a deficient number, since it is larger than the sum of its proper divisors (1412216206).

2152505234 is a wasteful number, since it uses less digits than its factorization.

2152505234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1178905.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 2152505234 is about 46395.0992455022. The cubic root of 2152505234 is about 1291.1639903576.

Adding to 2152505234 its reverse (4325052512), we get a palindrome (6477557746).

The spelling of 2152505234 in words is "two billion, one hundred fifty-two million, five hundred five thousand, two hundred thirty-four".

Divisors: 1 2 11 22 83 166 913 1826 1178809 2357618 12966899 25933798 97841147 195682294 1076252617 2152505234