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121302924 = 22310108577
BaseRepresentation
bin1110011101011…
…10111110001100
322110020211022220
413032232332030
5222023143144
620011535340
73002025561
oct716567614
9273224286
10121302924
1162521756
123475a550
131c191ca2
1412178868
15a9b1919
hex73aef8c

121302924 has 12 divisors (see below), whose sum is σ = 283040184. Its totient is φ = 40434304.

The previous prime is 121302899. The next prime is 121302941. The reversal of 121302924 is 429203121.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 121302894 and 121302903.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5054277 + ... + 5054300.

It is an arithmetic number, because the mean of its divisors is an integer number (23586682).

Almost surely, 2121302924 is an apocalyptic number.

It is an amenable number.

121302924 is an abundant number, since it is smaller than the sum of its proper divisors (161737260).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121302924 is a wasteful number, since it uses less digits than its factorization.

121302924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10108584 (or 10108582 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 121302924 is about 11013.7606656401. The cubic root of 121302924 is about 495.0211520397.

The spelling of 121302924 in words is "one hundred twenty-one million, three hundred two thousand, nine hundred twenty-four".

Divisors: 1 2 3 4 6 12 10108577 20217154 30325731 40434308 60651462 121302924