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2253145145 = 51973077451
BaseRepresentation
bin1000011001001100…
…0100010000111001
312211000200122002012
42012103010100321
514103301121040
61011324415305
7106556263166
oct20623042071
95730618065
102253145145
11a56929329
1252a6a7535
1329ba4b4a4
1417535306d
15d2c18865
hex864c4439

2253145145 has 16 divisors (see below), whose sum is σ = 2726716608. Its totient is φ = 1787284800.

The previous prime is 2253145121. The next prime is 2253145157. The reversal of 2253145145 is 5415413522.

It is not a de Polignac number, because 2253145145 - 210 = 2253144121 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 298670 + ... + 306120.

It is an arithmetic number, because the mean of its divisors is an integer number (170419788).

Almost surely, 22253145145 is an apocalyptic number.

It is an amenable number.

2253145145 is a deficient number, since it is larger than the sum of its proper divisors (473571463).

2253145145 is a wasteful number, since it uses less digits than its factorization.

2253145145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7960.

The product of its digits is 24000, while the sum is 32.

The square root of 2253145145 is about 47467.3060642797. The cubic root of 2253145145 is about 1310.9809766636.

Adding to 2253145145 its reverse (5415413522), we get a palindrome (7668558667).

It can be divided in two parts, 22531 and 45145, that added together give a palindrome (67676).

The spelling of 2253145145 in words is "two billion, two hundred fifty-three million, one hundred forty-five thousand, one hundred forty-five".

Divisors: 1 5 197 307 985 1535 7451 37255 60479 302395 1467847 2287457 7339235 11437285 450629029 2253145145