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2136220255 = 5131719101749
BaseRepresentation
bin111111101010100…
…0010001001011111
312111212200020021201
41333111002021133
513333333022010
6551550340331
7103636400251
oct17725021137
95455606251
102136220255
119a6927994
124b74ba6a7
13280760170
141639d7cd1
15c781e23a
hex7f54225f

2136220255 has 32 divisors (see below), whose sum is σ = 3076920000. Its totient is φ = 1406564352.

The previous prime is 2136220231. The next prime is 2136220267. The reversal of 2136220255 is 5520226312.

It is a cyclic number.

It is not a de Polignac number, because 2136220255 - 25 = 2136220223 is a prime.

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, 29880 + ... + 71869.

It is an arithmetic number, because the mean of its divisors is an integer number (96153750).

Almost surely, 22136220255 is an apocalyptic number.

2136220255 is a deficient number, since it is larger than the sum of its proper divisors (940699745).

2136220255 is a wasteful number, since it uses less digits than its factorization.

2136220255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101803.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 2136220255 is about 46219.2628132470. The cubic root of 2136220255 is about 1287.8996036141.

Adding to 2136220255 its reverse (5520226312), we get a palindrome (7656446567).

The spelling of 2136220255 in words is "two billion, one hundred thirty-six million, two hundred twenty thousand, two hundred fifty-five".

Divisors: 1 5 13 17 19 65 85 95 221 247 323 1105 1235 1615 4199 20995 101749 508745 1322737 1729733 1933231 6613685 8648665 9666155 22486529 25132003 32864927 112432645 125660015 164324635 427244051 2136220255