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2255157123 = 32712773871
BaseRepresentation
bin1000011001101010…
…1111011110000011
312211011110211222220
42012122233132003
514104310011443
61011435502123
7106612343052
oct20632573603
95734424886
102255157123
11a57a82a1a
1252b2b7943
1329c2a41cb
14175718399
15d2eb4a83
hex866af783

2255157123 has 8 divisors (see below), whose sum is σ = 3017972736. Its totient is φ = 1497889800.

The previous prime is 2255157119. The next prime is 2255157133. The reversal of 2255157123 is 3217515522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2255157123 - 22 = 2255157119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2255157103) 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 7 ways as a sum of consecutive naturals, for example, 1386123 + ... + 1387748.

It is an arithmetic number, because the mean of its divisors is an integer number (377246592).

Almost surely, 22255157123 is an apocalyptic number.

2255157123 is a deficient number, since it is larger than the sum of its proper divisors (762815613).

2255157123 is a wasteful number, since it uses less digits than its factorization.

2255157123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2774145.

The product of its digits is 21000, while the sum is 33.

The square root of 2255157123 is about 47488.4946381753. The cubic root of 2255157123 is about 1311.3710802728.

The spelling of 2255157123 in words is "two billion, two hundred fifty-five million, one hundred fifty-seven thousand, one hundred twenty-three".

Divisors: 1 3 271 813 2773871 8321613 751719041 2255157123