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2500038145 = 5111910323227
BaseRepresentation
bin1001010100000011…
…1000111000000001
320110020021002121101
42111000320320001
520110002210040
61052024254401
7115644654643
oct22500707001
96406232541
102500038145
11107322a730
12599311401
1330ac43917
1419a060893
15e973709a
hex95038e01

2500038145 has 32 divisors (see below), whose sum is σ = 3478625280. Its totient is φ = 1705717440.

The previous prime is 2500038137. The next prime is 2500038157. The reversal of 2500038145 is 5418300052.

It is not a de Polignac number, because 2500038145 - 23 = 2500038137 is a prime.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 96022 + ... + 119248.

It is an arithmetic number, because the mean of its divisors is an integer number (108707040).

Almost surely, 22500038145 is an apocalyptic number.

It is an amenable number.

2500038145 is a deficient number, since it is larger than the sum of its proper divisors (978587135).

2500038145 is a wasteful number, since it uses less digits than its factorization.

2500038145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23365.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 2500038145 is about 50000.3814485450. The cubic root of 2500038145 is about 1357.2157110263.

Adding to 2500038145 its reverse (5418300052), we get a palindrome (7918338197).

The spelling of 2500038145 in words is "two billion, five hundred million, thirty-eight thousand, one hundred forty-five".

Divisors: 1 5 11 19 55 95 103 209 515 1045 1133 1957 5665 9785 21527 23227 107635 116135 255497 441313 1277485 2206565 2392381 4854443 11961905 24272215 26316191 45455239 131580955 227276195 500007629 2500038145