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9703143121 = 7328289047
BaseRepresentation
bin10010000100101101…
…00011011011010001
3221001020011202001011
421002112203123101
5124333001034441
64242500010521
7462311233000
oct110226433321
927036152034
109703143121
11412a198051
121a69690a41
13bb8350209
1468096ac37
153bbcc0581
hex2425a36d1

9703143121 has 8 divisors (see below), whose sum is σ = 11315619200. Its totient is φ = 8316979524.

The previous prime is 9703143097. The next prime is 9703143133. The reversal of 9703143121 is 1213413079.

It is not a de Polignac number, because 9703143121 - 27 = 9703142993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9703143521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14144181 + ... + 14144866.

It is an arithmetic number, because the mean of its divisors is an integer number (1414452400).

Almost surely, 29703143121 is an apocalyptic number.

It is an amenable number.

9703143121 is a deficient number, since it is larger than the sum of its proper divisors (1612476079).

9703143121 is an equidigital number, since it uses as much as digits as its factorization.

9703143121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28289068 (or 28289054 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 9703143121 is about 98504.5335048088. The cubic root of 9703143121 is about 2132.9015626486.

The spelling of 9703143121 in words is "nine billion, seven hundred three million, one hundred forty-three thousand, one hundred twenty-one".

Divisors: 1 7 49 343 28289047 198023329 1386163303 9703143121