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1412812321 = 31413311027
BaseRepresentation
bin101010000110101…
…1100111000100001
310122110110022011021
41110031130320201
510343134443241
6352105245441
750003464234
oct12415347041
93573408137
101412812321
1166554a898
12335193881
1319691642b
14d58c941b
15840760d1
hex5435ce21

1412812321 has 8 divisors (see below), whose sum is σ = 1458872064. Its totient is φ = 1366782960.

The previous prime is 1412812267. The next prime is 1412812351. The reversal of 1412812321 is 1232182141.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1412812321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1412812351) 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, 122610 + ... + 133636.

It is an arithmetic number, because the mean of its divisors is an integer number (182359008).

Almost surely, 21412812321 is an apocalyptic number.

It is an amenable number.

1412812321 is a deficient number, since it is larger than the sum of its proper divisors (46059743).

1412812321 is a wasteful number, since it uses less digits than its factorization.

1412812321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15191.

The product of its digits is 768, while the sum is 25.

The square root of 1412812321 is about 37587.3957730514. The cubic root of 1412812321 is about 1122.0912037965.

Adding to 1412812321 its reverse (1232182141), we get a palindrome (2644994462).

The spelling of 1412812321 in words is "one billion, four hundred twelve million, eight hundred twelve thousand, three hundred twenty-one".

Divisors: 1 31 4133 11027 128123 341837 45574591 1412812321