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121244104 = 2315155513
BaseRepresentation
bin1110011101000…
…00100111001000
322110010211122101
413032200213020
5222014302404
620010403144
73001362232
oct716404710
9273124571
10121244104
1162491543
12347304b4
131c171297
1412161252
15a99e2a4
hex73a09c8

121244104 has 8 divisors (see below), whose sum is σ = 227332710. Its totient is φ = 60622048.

The previous prime is 121244087. The next prime is 121244129. The reversal of 121244104 is 401442121.

It can be written as a sum of positive squares in only one way, i.e., 60871204 + 60372900 = 7802^2 + 7770^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7577749 + ... + 7577764.

Almost surely, 2121244104 is an apocalyptic number.

It is an amenable number.

121244104 is a deficient number, since it is larger than the sum of its proper divisors (106088606).

121244104 is a wasteful number, since it uses less digits than its factorization.

121244104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15155519 (or 15155515 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 121244104 is about 11011.0900459491. The cubic root of 121244104 is about 494.9411268961.

Adding to 121244104 its reverse (401442121), we get a palindrome (522686225).

The spelling of 121244104 in words is "one hundred twenty-one million, two hundred forty-four thousand, one hundred four".

Divisors: 1 2 4 8 15155513 30311026 60622052 121244104