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2153225155 = 52373256489
BaseRepresentation
bin1000000001010111…
…1001101111000011
312120001200011121211
42000111321233003
513402211201110
6553355030551
7104234053234
oct20025715703
95501604554
102153225155
11a05491a24
1250113b457
13284135233
14165d8308b
15c907c98a
hex80579bc3

2153225155 has 16 divisors (see below), whose sum is σ = 2733157440. Its totient is φ = 1625107968.

The previous prime is 2153225111. The next prime is 2153225159. The reversal of 2153225155 is 5515223512.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2153225155 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2153225159) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119850 + ... + 136639.

It is an arithmetic number, because the mean of its divisors is an integer number (170822340).

Almost surely, 22153225155 is an apocalyptic number.

2153225155 is a deficient number, since it is larger than the sum of its proper divisors (579932285).

2153225155 is a wasteful number, since it uses less digits than its factorization.

2153225155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256590.

The product of its digits is 15000, while the sum is 31.

The square root of 2153225155 is about 46402.8571857380. The cubic root of 2153225155 is about 1291.3079207022.

Adding to 2153225155 its reverse (5515223512), we get a palindrome (7668448667).

The spelling of 2153225155 in words is "two billion, one hundred fifty-three million, two hundred twenty-five thousand, one hundred fifty-five".

Divisors: 1 5 23 73 115 365 1679 8395 256489 1282445 5899247 18723697 29496235 93618485 430645031 2153225155