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1312121114 = 21941842183
BaseRepresentation
bin100111000110101…
…0110000100011010
310101102222122210022
41032031112010122
510141400333424
6334111150442
744341562663
oct11615260432
93342878708
101312121114
11613727017
12307515422
1317bac0135
14c639836a
157a2d695e
hex4e35611a

1312121114 has 16 divisors (see below), whose sum is σ = 2122303680. Its totient is φ = 606371040.

The previous prime is 1312121101. The next prime is 1312121131. The reversal of 1312121114 is 4111212131.

It is a junction number, because it is equal to n+sod(n) for n = 1312121092 and 1312121101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 419534 + ... + 422649.

It is an arithmetic number, because the mean of its divisors is an integer number (132643980).

Almost surely, 21312121114 is an apocalyptic number.

1312121114 is a deficient number, since it is larger than the sum of its proper divisors (810182566).

1312121114 is a wasteful number, since it uses less digits than its factorization.

1312121114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842245.

The product of its digits is 48, while the sum is 17.

The square root of 1312121114 is about 36223.2123644494. The cubic root of 1312121114 is about 1094.7744200079.

Adding to 1312121114 its reverse (4111212131), we get a palindrome (5423333245).

The spelling of 1312121114 in words is "one billion, three hundred twelve million, one hundred twenty-one thousand, one hundred fourteen".

Divisors: 1 2 19 38 41 82 779 1558 842183 1684366 16001477 32002954 34529503 69059006 656060557 1312121114