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11464251331 = 131951199067
BaseRepresentation
bin10101010110101001…
…01001011111000011
31002120222000022100011
422223110221133003
5141434322020311
65133330405351
7554044346161
oct125324513703
932528008304
1011464251331
1149532a8785
12227b430857
131109173c90
147aa7dc231
154716e5321
hex2ab5297c3

11464251331 has 16 divisors (see below), whose sum is σ = 12999884800. Its totient is φ = 10022354208.

The previous prime is 11464251317. The next prime is 11464251341. The reversal of 11464251331 is 13315246411.

It is a cyclic number.

It is not a de Polignac number, because 11464251331 - 219 = 11463727043 is a prime.

It is a super-2 number, since 2×114642513312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11464251293 and 11464251302.

It is not an unprimeable number, because it can be changed into a prime (11464251311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1259860 + ... + 1268926.

It is an arithmetic number, because the mean of its divisors is an integer number (812492800).

Almost surely, 211464251331 is an apocalyptic number.

11464251331 is a deficient number, since it is larger than the sum of its proper divisors (1535633469).

11464251331 is a wasteful number, since it uses less digits than its factorization.

11464251331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14218.

The product of its digits is 8640, while the sum is 31.

Adding to 11464251331 its reverse (13315246411), we get a palindrome (24779497742).

The spelling of 11464251331 in words is "eleven billion, four hundred sixty-four million, two hundred fifty-one thousand, three hundred thirty-one".

Divisors: 1 13 19 247 5119 9067 66547 97261 117871 172273 1264393 2239549 46413973 603381649 881865487 11464251331