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121861048 = 2319777323
BaseRepresentation
bin1110100001101…
…11001110111000
322111022011221011
413100313032320
5222144023143
620031523304
73006542011
oct720671670
9274264834
10121861048
1162873011
1234989534
131c32903a
1412282008
15aa71e9d
hex74373b8

121861048 has 16 divisors (see below), whose sum is σ = 229652280. Its totient is φ = 60620448.

The previous prime is 121861037. The next prime is 121861057. The reversal of 121861048 is 840168121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37086 + ... + 40237.

Almost surely, 2121861048 is an apocalyptic number.

It is an amenable number.

121861048 is a deficient number, since it is larger than the sum of its proper divisors (107791232).

121861048 is a wasteful number, since it uses less digits than its factorization.

121861048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77526 (or 77522 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 31.

The square root of 121861048 is about 11039.0691636569. The cubic root of 121861048 is about 495.7792006309.

The spelling of 121861048 in words is "one hundred twenty-one million, eight hundred sixty-one thousand, forty-eight".

Divisors: 1 2 4 8 197 394 788 1576 77323 154646 309292 618584 15232631 30465262 60930524 121861048