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121333023 = 32710917669
BaseRepresentation
bin1110011101101…
…10010100011111
322110022100121200
413032312110133
5222030124043
620012330543
73002212410
oct716662437
9273270550
10121333023
1162542329
1234773a53
131c1a28b6
1412185807
15a9ba7d3
hex73b651f

121333023 has 24 divisors (see below), whose sum is σ = 202144800. Its totient is φ = 68693184.

The previous prime is 121333001. The next prime is 121333033. The reversal of 121333023 is 320333121.

It is not a de Polignac number, because 121333023 - 28 = 121332767 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121332987 and 121333005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121333033) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 1968 + ... + 15701.

It is an arithmetic number, because the mean of its divisors is an integer number (8422700).

Almost surely, 2121333023 is an apocalyptic number.

121333023 is a deficient number, since it is larger than the sum of its proper divisors (80811777).

121333023 is a wasteful number, since it uses less digits than its factorization.

121333023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17791 (or 17788 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 121333023 is about 11015.1270078924. The cubic root of 121333023 is about 495.0620919967.

Adding to 121333023 its reverse (320333121), we get a palindrome (441666144).

The spelling of 121333023 in words is "one hundred twenty-one million, three hundred thirty-three thousand, twenty-three".

Divisors: 1 3 7 9 21 63 109 327 763 981 2289 6867 17669 53007 123683 159021 371049 1113147 1925921 5777763 13481447 17333289 40444341 121333023