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2154503233 = 19220392927
BaseRepresentation
bin1000000001101011…
…0001110001000001
312120011002002211001
42000122301301001
513403023100413
6553442252001
7104250655351
oct20032616101
95504062731
102154503233
11a06185193
12501657001
13284491bac
141661d6b61
15c92314dd
hex806b1c41

2154503233 has 12 divisors (see below), whose sum is σ = 2275758720. Its totient is φ = 2039410296.

The previous prime is 2154503213. The next prime is 2154503251. The reversal of 2154503233 is 3323054512.

It is not a de Polignac number, because 2154503233 - 213 = 2154495041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2154503213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 734616 + ... + 737542.

It is an arithmetic number, because the mean of its divisors is an integer number (189646560).

Almost surely, 22154503233 is an apocalyptic number.

It is an amenable number.

2154503233 is a deficient number, since it is larger than the sum of its proper divisors (121255487).

2154503233 is a wasteful number, since it uses less digits than its factorization.

2154503233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5004 (or 4985 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 2154503233 is about 46416.6266869965. The cubic root of 2154503233 is about 1291.5633616796.

Adding to 2154503233 its reverse (3323054512), we get a palindrome (5477557745).

The spelling of 2154503233 in words is "two billion, one hundred fifty-four million, five hundred three thousand, two hundred thirty-three".

Divisors: 1 19 361 2039 2927 38741 55613 736079 1056647 5968153 113394907 2154503233