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121144052 = 2230286013
BaseRepresentation
bin1110011100010…
…00001011110100
322102221202101202
413032020023310
5222003102202
620004312032
73000464441
oct716101364
9272852352
10121144052
1162423357
12346a2618
131c137893
14121369c8
15a97e802
hex73882f4

121144052 has 6 divisors (see below), whose sum is σ = 212002098. Its totient is φ = 60572024.

The previous prime is 121144039. The next prime is 121144069. The reversal of 121144052 is 250441121.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 81252196 + 39891856 = 9014^2 + 6316^2 .

It is a super-3 number, since 3×1211440523 (a number of 25 digits) contains 333 as substring.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 15143003 + ... + 15143010.

It is an arithmetic number, because the mean of its divisors is an integer number (35333683).

Almost surely, 2121144052 is an apocalyptic number.

It is an amenable number.

121144052 is a deficient number, since it is larger than the sum of its proper divisors (90858046).

121144052 is a wasteful number, since it uses less digits than its factorization.

121144052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30286017 (or 30286015 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 121144052 is about 11006.5458705263. The cubic root of 121144052 is about 494.8049457659.

Adding to 121144052 its reverse (250441121), we get a palindrome (371585173).

The spelling of 121144052 in words is "one hundred twenty-one million, one hundred forty-four thousand, fifty-two".

Divisors: 1 2 4 30286013 60572026 121144052