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1312264324 = 227122338321
BaseRepresentation
bin100111000110111…
…1001000010000100
310101110020221020101
41032031321002010
510141414424244
6334114213444
744343030340
oct11615710204
93343227211
101312264324
11613814678
12307584284
1317bb40387
14c63d4620
157a3140d4
hex4e379084

1312264324 has 24 divisors (see below), whose sum is σ = 2626743168. Its totient is φ = 561924480.

The previous prime is 1312264313. The next prime is 1312264337. The reversal of 1312264324 is 4234622131.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 1312264292 and 1312264301.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15084 + ... + 53404.

It is an arithmetic number, because the mean of its divisors is an integer number (109447632).

Almost surely, 21312264324 is an apocalyptic number.

1312264324 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1312264324 is an abundant number, since it is smaller than the sum of its proper divisors (1314478844).

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

1312264324 is a wasteful number, since it uses less digits than its factorization.

1312264324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39555 (or 39553 counting only the distinct ones).

The product of its digits is 6912, while the sum is 28.

The square root of 1312264324 is about 36225.1890816321. The cubic root of 1312264324 is about 1094.8142478712.

Adding to 1312264324 its reverse (4234622131), we get a palindrome (5546886455).

The spelling of 1312264324 in words is "one billion, three hundred twelve million, two hundred sixty-four thousand, three hundred twenty-four".

Divisors: 1 2 4 7 14 28 1223 2446 4892 8561 17122 34244 38321 76642 153284 268247 536494 1072988 46866583 93733166 187466332 328066081 656132162 1312264324