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121965708 = 22343323473
BaseRepresentation
bin1110100010100…
…00110010001100
322111111111111110
413101100302030
5222210400313
620034052020
73010456104
oct721206214
9274444443
10121965708
1162934707
1234a1a010
131c364877
14122ac204
15aa92ec3
hex7450c8c

121965708 has 24 divisors (see below), whose sum is σ = 285256048. Its totient is φ = 40559616.

The previous prime is 121965703. The next prime is 121965709. The reversal of 121965708 is 807569121.

It is a nialpdrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (121965703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6541 + ... + 16932.

Almost surely, 2121965708 is an apocalyptic number.

It is an amenable number.

121965708 is an abundant number, since it is smaller than the sum of its proper divisors (163290340).

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

121965708 is a wasteful number, since it uses less digits than its factorization.

121965708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23913 (or 23911 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 39.

The square root of 121965708 is about 11043.8085821876. The cubic root of 121965708 is about 495.9210928499.

The spelling of 121965708 in words is "one hundred twenty-one million, nine hundred sixty-five thousand, seven hundred eight".

Divisors: 1 2 3 4 6 12 433 866 1299 1732 2598 5196 23473 46946 70419 93892 140838 281676 10163809 20327618 30491427 40655236 60982854 121965708