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2215342129 = 711132396223
BaseRepresentation
bin1000010000001011…
…0111000000110001
312201101120001002111
42010002313000301
514014111422004
61003454245321
7105620045260
oct20402670061
95641501074
102215342129
11a37559370
12519ab6841
13293c73940
141703125d7
15ce74ca04
hex840b7031

2215342129 has 32 divisors (see below), whose sum is σ = 3103801344. Its totient is φ = 1524156480.

The previous prime is 2215342123. The next prime is 2215342141. The reversal of 2215342129 is 9212435122.

It is not a de Polignac number, because 2215342129 - 27 = 2215342001 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2215342129.

It is not an unprimeable number, because it can be changed into a prime (2215342123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25089 + ... + 71134.

It is an arithmetic number, because the mean of its divisors is an integer number (96993792).

Almost surely, 22215342129 is an apocalyptic number.

It is an amenable number.

2215342129 is a deficient number, since it is larger than the sum of its proper divisors (888459215).

2215342129 is a wasteful number, since it uses less digits than its factorization.

2215342129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96277.

The product of its digits is 8640, while the sum is 31.

The square root of 2215342129 is about 47067.4210999498. The cubic root of 2215342129 is about 1303.6077554309.

The spelling of 2215342129 in words is "two billion, two hundred fifteen million, three hundred forty-two thousand, one hundred twenty-nine".

Divisors: 1 7 11 13 23 77 91 143 161 253 299 1001 1771 2093 3289 23023 96223 673561 1058453 1250899 2213129 7409171 8756293 13759889 15491903 24344419 28770677 96319223 170410933 201394739 316477447 2215342129