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12440691303 = 34319621571
BaseRepresentation
bin10111001011000010…
…11110001001100111
31012010000100121011120
423211201132021213
5200434304110203
65414251105023
7620202063015
oct134541361147
935100317146
1012440691303
11530449a567
1224b2442173
131233552501
148603758b5
154cc2c0b53
hex2e585e267

12440691303 has 8 divisors (see below), whose sum is σ = 16626076416. Its totient is φ = 8274550200.

The previous prime is 12440691293. The next prime is 12440691323. The reversal of 12440691303 is 30319604421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12440691303 - 29 = 12440690791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12440691323) 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, 4809493 + ... + 4812078.

It is an arithmetic number, because the mean of its divisors is an integer number (2078259552).

Almost surely, 212440691303 is an apocalyptic number.

12440691303 is a deficient number, since it is larger than the sum of its proper divisors (4185385113).

12440691303 is an equidigital number, since it uses as much as digits as its factorization.

12440691303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9622005.

The product of its (nonzero) digits is 15552, while the sum is 33.

The spelling of 12440691303 in words is "twelve billion, four hundred forty million, six hundred ninety-one thousand, three hundred three".

Divisors: 1 3 431 1293 9621571 28864713 4146897101 12440691303