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753142121 = 1965360703
BaseRepresentation
bin101100111001000…
…000100101101001
31221111011120202122
4230321000211221
53020301021441
6202422241025
724443413424
oct5471004551
91844146678
10753142121
11357146906
12190286175
13c0057a34
147204c9bb
15461bd34b
hex2ce40969

753142121 has 8 divisors (see below), whose sum is σ = 794008320. Its totient is φ = 712398672.

The previous prime is 753142099. The next prime is 753142123. The reversal of 753142121 is 121241357.

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

It is a cyclic number.

It is not a de Polignac number, because 753142121 - 210 = 753141097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (753142123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17945 + ... + 42758.

It is an arithmetic number, because the mean of its divisors is an integer number (99251040).

Almost surely, 2753142121 is an apocalyptic number.

It is an amenable number.

753142121 is a deficient number, since it is larger than the sum of its proper divisors (40866199).

753142121 is a wasteful number, since it uses less digits than its factorization.

753142121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61375.

The product of its digits is 1680, while the sum is 26.

The square root of 753142121 is about 27443.4349344247. The cubic root of 753142121 is about 909.8273314865.

Adding to 753142121 its reverse (121241357), we get a palindrome (874383478).

The spelling of 753142121 in words is "seven hundred fifty-three million, one hundred forty-two thousand, one hundred twenty-one".

Divisors: 1 19 653 12407 60703 1153357 39639059 753142121