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2215130345 = 517232989439
BaseRepresentation
bin1000010000001000…
…0011010011101001
312201101011021120122
42010002003103221
514014033132340
61003445533025
7105615203651
oct20402032351
95641137518
102215130345
11a3742423a
12519a14175
13293bcb41c
14170299361
15ce709db5
hex840834e9

2215130345 has 64 divisors (see below), whose sum is σ = 3079296000. Its totient is φ = 1519558656.

The previous prime is 2215130339. The next prime is 2215130363. The reversal of 2215130345 is 5430315122.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2215130345 - 216 = 2215064809 is a prime.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 5045636 + ... + 5046074.

It is an arithmetic number, because the mean of its divisors is an integer number (48114000).

Almost surely, 22215130345 is an apocalyptic number.

It is an amenable number.

2215130345 is a deficient number, since it is larger than the sum of its proper divisors (864165655).

2215130345 is a wasteful number, since it uses less digits than its factorization.

2215130345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 2215130345 is about 47065.1712522115. The cubic root of 2215130345 is about 1303.5662130044.

Adding to 2215130345 its reverse (5430315122), we get a palindrome (7645445467).

The spelling of 2215130345 in words is "two billion, two hundred fifteen million, one hundred thirty thousand, three hundred forty-five".

Divisors: 1 5 17 23 29 85 89 115 145 391 439 445 493 667 1513 1955 2047 2195 2465 2581 3335 7463 7565 10097 10235 11339 12731 12905 34799 37315 39071 43877 50485 56695 59363 63655 171649 173995 195355 216427 219385 292813 296815 664207 858245 898633 1009171 1082135 1133059 1464065 3321035 4493165 4977821 5045855 5665295 15276761 19262003 24889105 26060357 76383805 96310015 130301785 443026069 2215130345