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121514312 = 2310121489
BaseRepresentation
bin1110011111000…
…10100101001000
322110122120022002
413033202211020
5222101424222
620020250132
73003566063
oct717424510
9273576262
10121514312
1162656557
1234840948
131c23727a
14121d18da
15aa04392
hex73e2948

121514312 has 24 divisors (see below), whose sum is σ = 230272050. Its totient is φ = 60115200.

The previous prime is 121514297. The next prime is 121514339. The reversal of 121514312 is 213415121.

It can be written as a sum of positive squares in 3 ways, for example, as 121308196 + 206116 = 11014^2 + 454^2 .

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 5 ways as a sum of consecutive naturals, for example, 80864 + ... + 82352.

Almost surely, 2121514312 is an apocalyptic number.

It is an amenable number.

121514312 is a deficient number, since it is larger than the sum of its proper divisors (108757738).

121514312 is a wasteful number, since it uses less digits than its factorization.

121514312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1697 (or 1592 counting only the distinct ones).

The product of its digits is 240, while the sum is 20.

The square root of 121514312 is about 11023.3530289109. The cubic root of 121514312 is about 495.3085339710.

Adding to 121514312 its reverse (213415121), we get a palindrome (334929433).

The spelling of 121514312 in words is "one hundred twenty-one million, five hundred fourteen thousand, three hundred twelve".

Divisors: 1 2 4 8 101 202 404 808 1489 2978 5956 10201 11912 20402 40804 81608 150389 300778 601556 1203112 15189289 30378578 60757156 121514312