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11431303340 = 2254712160961
BaseRepresentation
bin10101010010101101…
…11101100010101100
31002111200000101012012
422221112331202230
5141402403201330
65130152300352
7553164321662
oct125126754254
932450011165
1011431303340
114936744436
1222703a16b8
1311023a9222
147a62a2c32
1546d887c95
hex2a95bd8ac

11431303340 has 24 divisors (see below), whose sum is σ = 24516499392. Its totient is φ = 4475233280.

The previous prime is 11431303339. The next prime is 11431303349. The reversal of 11431303340 is 4330313411.

It is not an unprimeable number, because it can be changed into a prime (11431303349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6079541 + ... + 6081420.

It is an arithmetic number, because the mean of its divisors is an integer number (1021520808).

Almost surely, 211431303340 is an apocalyptic number.

11431303340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11431303340 is an abundant number, since it is smaller than the sum of its proper divisors (13085196052).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11431303340 is a wasteful number, since it uses less digits than its factorization.

11431303340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12161017 (or 12161015 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 11431303340 its reverse (4330313411), we get a palindrome (15761616751).

The spelling of 11431303340 in words is "eleven billion, four hundred thirty-one million, three hundred three thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 47 94 188 235 470 940 12160961 24321922 48643844 60804805 121609610 243219220 571565167 1143130334 2286260668 2857825835 5715651670 11431303340