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121333442 = 2311956991
BaseRepresentation
bin1110011101101…
…10011011000010
322110022101012012
413032312123002
5222030132232
620012332522
73002213546
oct716663302
9273271165
10121333442
116254267a
1234774142
131c1a2b49
1412185a26
15a9ba9b2
hex73b66c2

121333442 has 8 divisors (see below), whose sum is σ = 187871232. Its totient is φ = 58709700.

The previous prime is 121333423. The next prime is 121333447. The reversal of 121333442 is 244333121.

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

It is not an unprimeable number, because it can be changed into a prime (121333447) 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, 978434 + ... + 978557.

It is an arithmetic number, because the mean of its divisors is an integer number (23483904).

Almost surely, 2121333442 is an apocalyptic number.

121333442 is a deficient number, since it is larger than the sum of its proper divisors (66537790).

121333442 is a wasteful number, since it uses less digits than its factorization.

121333442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1957024.

The product of its digits is 1728, while the sum is 23.

The square root of 121333442 is about 11015.1460271755. The cubic root of 121333442 is about 495.0626618629.

Adding to 121333442 its reverse (244333121), we get a palindrome (365666563).

The spelling of 121333442 in words is "one hundred twenty-one million, three hundred thirty-three thousand, four hundred forty-two".

Divisors: 1 2 31 62 1956991 3913982 60666721 121333442