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2231043045 = 357117272657
BaseRepresentation
bin1000010011111011…
…0000001111100101
312202111002201200220
42010332300033211
514032121334140
61005214554553
7106200360450
oct20476601745
95674081626
102231043045
11a45402730
12523208a59
132972b031a
1417243c497
15d0ceebd0
hex84fb03e5

2231043045 has 64 divisors (see below), whose sum is σ = 4458295296. Its totient is φ = 925562880.

The previous prime is 2231043041. The next prime is 2231043049. The reversal of 2231043045 is 5403401322.

2231043045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2231043041) and next prime (2231043049).

It is not a de Polignac number, because 2231043045 - 22 = 2231043041 is a prime.

It is a super-3 number, since 3×22310430453 (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231043041) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 838357 + ... + 841013.

It is an arithmetic number, because the mean of its divisors is an integer number (69660864).

Almost surely, 22231043045 is an apocalyptic number.

It is an amenable number.

2231043045 is a deficient number, since it is larger than the sum of its proper divisors (2227252251).

2231043045 is a wasteful number, since it uses less digits than its factorization.

2231043045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3410.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 2231043045 is about 47233.9183744055. The cubic root of 2231043045 is about 1306.6802185690.

Adding to 2231043045 its reverse (5403401322), we get a palindrome (7634444367).

The spelling of 2231043045 in words is "two billion, two hundred thirty-one million, forty-three thousand, forty-five".

Divisors: 1 3 5 7 11 15 21 33 35 55 77 105 165 231 385 727 1155 2181 2657 3635 5089 7971 7997 10905 13285 15267 18599 23991 25445 29227 39855 39985 55797 55979 76335 87681 92995 119955 146135 167937 204589 278985 279895 438405 613767 839685 1022945 1931639 3068835 5794917 9658195 13521473 21248029 28974585 40564419 63744087 67607365 106240145 148736203 202822095 318720435 446208609 743681015 2231043045