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2153504343 = 313910315009
BaseRepresentation
bin1000000001011011…
…1101111001010111
312120002012100121010
42000112331321113
513402244114333
6553405023303
7104236325214
oct20026757127
95502170533
102153504343
11a05662761
12501254b33
13284202333
14166016b0b
15c90d5563
hex805bde57

2153504343 has 16 divisors (see below), whose sum is σ = 2895379200. Its totient is φ = 1423674240.

The previous prime is 2153504333. The next prime is 2153504357. The reversal of 2153504343 is 3434053512.

It is not a de Polignac number, because 2153504343 - 221 = 2151407191 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2153504343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2153504323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 427423 + ... + 432431.

It is an arithmetic number, because the mean of its divisors is an integer number (180961200).

Almost surely, 22153504343 is an apocalyptic number.

2153504343 is a deficient number, since it is larger than the sum of its proper divisors (741874857).

2153504343 is a wasteful number, since it uses less digits than its factorization.

2153504343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6182.

The product of its (nonzero) digits is 21600, while the sum is 30.

The square root of 2153504343 is about 46405.8653943658. The cubic root of 2153504343 is about 1291.3637287838.

Adding to 2153504343 its reverse (3434053512), we get a palindrome (5587557855).

The spelling of 2153504343 in words is "two billion, one hundred fifty-three million, five hundred four thousand, three hundred forty-three".

Divisors: 1 3 139 417 1031 3093 5009 15027 143309 429927 696251 2088753 5164279 15492837 717834781 2153504343