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1312210102 = 27243311393
BaseRepresentation
bin100111000110110…
…1011110010110110
310101110011011212011
41032031223302312
510141411210402
6334113114434
744342413300
oct11615536266
93343134764
101312210102
11613787965
12307558a1a
1317bb217a8
14c63bc970
157a302ed7
hex4e36bcb6

1312210102 has 24 divisors (see below), whose sum is σ = 2342928456. Its totient is φ = 549295488.

The previous prime is 1312210087. The next prime is 1312210103. The reversal of 1312210102 is 2010122131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312210103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 151483 + ... + 159910.

It is an arithmetic number, because the mean of its divisors is an integer number (97622019).

Almost surely, 21312210102 is an apocalyptic number.

1312210102 is a deficient number, since it is larger than the sum of its proper divisors (1030718354).

1312210102 is a wasteful number, since it uses less digits than its factorization.

1312210102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311452 (or 311445 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1312210102 is about 36224.4406720104. The cubic root of 1312210102 is about 1094.7991686338.

Adding to 1312210102 its reverse (2010122131), we get a palindrome (3322332233).

The spelling of 1312210102 in words is "one billion, three hundred twelve million, two hundred ten thousand, one hundred two".

Divisors: 1 2 7 14 43 49 86 98 301 602 2107 4214 311393 622786 2179751 4359502 13389899 15258257 26779798 30516514 93729293 187458586 656105051 1312210102