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121353042 = 2320225507
BaseRepresentation
bin1110011101110…
…11001101010010
322110100101002010
413032323031102
5222031244132
620013003350
73002324646
oct716731522
9273311063
10121353042
1162556378
1234783556
131c1aba45
141218cc26
15a9c16cc
hex73bb352

121353042 has 8 divisors (see below), whose sum is σ = 242706096. Its totient is φ = 40451012.

The previous prime is 121353041. The next prime is 121353053. The reversal of 121353042 is 240353121.

It is a sphenic number, since it is the product of 3 distinct primes.

121353042 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (121353041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10112748 + ... + 10112759.

It is an arithmetic number, because the mean of its divisors is an integer number (30338262).

Almost surely, 2121353042 is an apocalyptic number.

121353042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

121353042 is a wasteful number, since it uses less digits than its factorization.

121353042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20225512.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 121353042 is about 11016.0356753235. The cubic root of 121353042 is about 495.0893176240.

The spelling of 121353042 in words is "one hundred twenty-one million, three hundred fifty-three thousand, forty-two".

Divisors: 1 2 3 6 20225507 40451014 60676521 121353042