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2151355255 = 57237933829
BaseRepresentation
bin1000000000111011…
…0001001101110111
312112221011011121021
42000032301031313
513401221332010
6553251002011
7104212134520
oct20016611567
95487134537
102151355255
11a04425055
12500599307
1328392c09a
14165a17847
15c8d0d8da
hex803b1377

2151355255 has 32 divisors (see below), whose sum is σ = 3117772800. Its totient is φ = 1393172352.

The previous prime is 2151355223. The next prime is 2151355273. The reversal of 2151355255 is 5525531512.

It is a cyclic number.

It is not a de Polignac number, because 2151355255 - 25 = 2151355223 is a prime.

It is a super-2 number, since 2×21513552552 = 9256658866432230050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2151355255.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46681 + ... + 80509.

It is an arithmetic number, because the mean of its divisors is an integer number (97430400).

Almost surely, 22151355255 is an apocalyptic number.

2151355255 is a deficient number, since it is larger than the sum of its proper divisors (966417545).

2151355255 is a wasteful number, since it uses less digits than its factorization.

2151355255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33943.

The product of its digits is 37500, while the sum is 34.

The square root of 2151355255 is about 46382.7042657066. The cubic root of 2151355255 is about 1290.9340139948.

Adding to 2151355255 its reverse (5525531512), we get a palindrome (7676886767).

The spelling of 2151355255 in words is "two billion, one hundred fifty-one million, three hundred fifty-five thousand, two hundred fifty-five".

Divisors: 1 5 7 23 35 79 115 161 395 553 805 1817 2765 9085 12719 33829 63595 169145 236803 778067 1184015 2672491 3890335 5446469 13362455 18707437 27232345 61467293 93537185 307336465 430271051 2151355255