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1312225054 = 27374753899
BaseRepresentation
bin100111000110110…
…1111011100011110
310101110011221100221
41032031233130132
510141412200204
6334113311554
744342505010
oct11615573436
93343157327
101312225054
11613798118
123075655ba
1317bb2853a
14c63c41b0
157a307654
hex4e36f71e

1312225054 has 32 divisors (see below), whose sum is σ = 2359526400. Its totient is φ = 535530528.

The previous prime is 1312225051. The next prime is 1312225067. The reversal of 1312225054 is 4505222131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312225051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2604 + ... + 51295.

It is an arithmetic number, because the mean of its divisors is an integer number (73735200).

Almost surely, 21312225054 is an apocalyptic number.

1312225054 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1312225054 is a deficient number, since it is larger than the sum of its proper divisors (1047301346).

1312225054 is a wasteful number, since it uses less digits than its factorization.

1312225054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53992.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1312225054 is about 36224.6470514207. The cubic root of 1312225054 is about 1094.8033268538.

Adding to 1312225054 its reverse (4505222131), we get a palindrome (5817447185).

The spelling of 1312225054 in words is "one billion, three hundred twelve million, two hundred twenty-five thousand, fifty-four".

Divisors: 1 2 7 14 37 47 74 94 259 329 518 658 1739 3478 12173 24346 53899 107798 377293 754586 1994263 2533253 3988526 5066506 13959841 17732771 27919682 35465542 93730361 187460722 656112527 1312225054