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2112153155 = 57233259001
BaseRepresentation
bin111110111100100…
…1110011001000011
312110012101111102122
41331321032121003
513311202400110
6545330434455
7103225001630
oct17571163103
95405344378
102112153155
11994289a22
124ab432a2b
13278784788
14160731187
15c5668255
hex7de4e643

2112153155 has 16 divisors (see below), whose sum is σ = 2909110464. Its totient is φ = 1442112000.

The previous prime is 2112153149. The next prime is 2112153167. The reversal of 2112153155 is 5513512112.

It is not a de Polignac number, because 2112153155 - 28 = 2112152899 is a prime.

It is a super-2 number, since 2×21121531552 = 8922381900352908050, which contains 22 as substring.

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, 121346 + ... + 137655.

It is an arithmetic number, because the mean of its divisors is an integer number (181819404).

Almost surely, 22112153155 is an apocalyptic number.

2112153155 is a deficient number, since it is larger than the sum of its proper divisors (796957309).

2112153155 is a wasteful number, since it uses less digits than its factorization.

2112153155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259246.

The product of its digits is 1500, while the sum is 26.

The square root of 2112153155 is about 45958.1674460590. The cubic root of 2112153155 is about 1283.0447445012.

Adding to 2112153155 its reverse (5513512112), we get a palindrome (7625665267).

The spelling of 2112153155 in words is "two billion, one hundred twelve million, one hundred fifty-three thousand, one hundred fifty-five".