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11431151013 = 3194783101509
BaseRepresentation
bin10101010010101100…
…11000010110100101
31002111122201122020110
422221112120112211
5141402333313023
65130145123233
7553163115612
oct125126302645
932448648213
1011431151013
11493664aa47
122270329519
131102354aa9
147a6263509
1546d857a93
hex2a95985a5

11431151013 has 64 divisors (see below), whose sum is σ = 16779571200. Its totient is φ = 6898233600.

The previous prime is 11431150859. The next prime is 11431151029. The reversal of 11431151013 is 31015113411.

It is not a de Polignac number, because 11431151013 - 214 = 11431134629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11431151063) 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, 22457803 + ... + 22458311.

It is an arithmetic number, because the mean of its divisors is an integer number (262180800).

Almost surely, 211431151013 is an apocalyptic number.

It is an amenable number.

11431151013 is a deficient number, since it is larger than the sum of its proper divisors (5348420187).

11431151013 is a wasteful number, since it uses less digits than its factorization.

11431151013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762.

The product of its (nonzero) digits is 180, while the sum is 21.

Adding to 11431151013 its reverse (31015113411), we get a palindrome (42446264424).

The spelling of 11431151013 in words is "eleven billion, four hundred thirty-one million, one hundred fifty-one thousand, thirteen".

Divisors: 1 3 19 47 57 83 101 141 249 303 509 893 1527 1577 1919 2679 3901 4731 4747 5757 8383 9671 11703 14241 23923 25149 29013 42247 51409 71769 74119 90193 126741 154227 159277 222357 270579 394001 454537 477831 802693 976771 1182003 1363611 1985609 2408079 2416223 2930313 4266947 5956827 7248669 7486019 12800841 22458057 37726571 45908237 81071993 113179713 137724711 200546509 243215979 601639527 3810383671 11431151013