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2553020145 = 3251325117387
BaseRepresentation
bin1001100000101011…
…1111111011110001
320120220221212020200
42120022333323301
520212033121040
61101200025413
7120160212264
oct23012777361
96526855220
102553020145
1110a0127905
125b3002269
13318c04410
141a30d2cdb
15ee200630
hex982bfef1

2553020145 has 48 divisors (see below), whose sum is σ = 4784899392. Its totient is φ = 1251792000.

The previous prime is 2553020143. The next prime is 2553020207. The reversal of 2553020145 is 5410203552.

It is a happy number.

It is not a de Polignac number, because 2553020145 - 21 = 2553020143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2553020143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 138142 + ... + 155528.

It is an arithmetic number, because the mean of its divisors is an integer number (99685404).

Almost surely, 22553020145 is an apocalyptic number.

It is an amenable number.

2553020145 is a deficient number, since it is larger than the sum of its proper divisors (2231879247).

2553020145 is a wasteful number, since it uses less digits than its factorization.

2553020145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17662 (or 17659 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 2553020145 is about 50527.4197342393. The cubic root of 2553020145 is about 1366.7363565163.

Adding to 2553020145 its reverse (5410203552), we get a palindrome (7963223697).

The spelling of 2553020145 in words is "two billion, five hundred fifty-three million, twenty thousand, one hundred forty-five".

Divisors: 1 3 5 9 13 15 39 45 65 117 195 251 585 753 1255 2259 3263 3765 9789 11295 16315 17387 29367 48945 52161 86935 146835 156483 226031 260805 678093 782415 1130155 2034279 3390465 4364137 10171395 13092411 21820685 39277233 56733781 65462055 170201343 196386165 283668905 510604029 851006715 2553020145