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2231140245 = 357319710343
BaseRepresentation
bin1000010011111100…
…0111111110010101
312202111021200000220
42010333013332111
514032132441440
61005221024553
7106201244025
oct20477077625
95674250026
102231140245
11a45469764
12523255159
13297315639
14172465a85
15d0d1d8d0
hex84fc7f95

2231140245 has 32 divisors (see below), whose sum is σ = 3637446912. Its totient is φ = 1167570432.

The previous prime is 2231140229. The next prime is 2231140271. The reversal of 2231140245 is 5420411322.

It is not a de Polignac number, because 2231140245 - 24 = 2231140229 is a prime.

It is a super-3 number, since 3×22311402453 (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 210544 + ... + 220886.

It is an arithmetic number, because the mean of its divisors is an integer number (113670216).

Almost surely, 22231140245 is an apocalyptic number.

It is an amenable number.

2231140245 is a deficient number, since it is larger than the sum of its proper divisors (1406306667).

2231140245 is a wasteful number, since it uses less digits than its factorization.

2231140245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10621.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 2231140245 is about 47234.9472848229. The cubic root of 2231140245 is about 1306.6991943679.

Adding to 2231140245 its reverse (5420411322), we get a palindrome (7651551567).

The spelling of 2231140245 in words is "two billion, two hundred thirty-one million, one hundred forty thousand, two hundred forty-five".

Divisors: 1 3 5 15 73 197 219 365 591 985 1095 2955 10343 14381 31029 43143 51715 71905 155145 215715 755039 2037571 2265117 3775195 6112713 10187855 11325585 30563565 148742683 446228049 743713415 2231140245