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10243404121 = 31595600549
BaseRepresentation
bin10011000101000110…
…11111000101011001
3222102212202211210211
421202203133011121
5131434302412441
64412235411121
7511561332646
oct114243370531
928385684724
1010243404121
114387153145
121b9a5b3aa1
13c73260892
146d2602dcd
153ee43ca81
hex2628df159

10243404121 has 8 divisors (see below), whose sum is σ = 10753056000. Its totient is φ = 9744953520.

The previous prime is 10243404113. The next prime is 10243404151. The reversal of 10243404121 is 12140434201.

It is a happy number.

10243404121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 10243404121 - 23 = 10243404113 is a prime.

It is a super-3 number, since 3×102434041213 (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10243404092 and 10243404101.

It is not an unprimeable number, because it can be changed into a prime (10243404151) 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 7 ways as a sum of consecutive naturals, for example, 2798446 + ... + 2802103.

It is an arithmetic number, because the mean of its divisors is an integer number (1344132000).

Almost surely, 210243404121 is an apocalyptic number.

It is an amenable number.

10243404121 is a deficient number, since it is larger than the sum of its proper divisors (509651879).

10243404121 is an equidigital number, since it uses as much as digits as its factorization.

10243404121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5600639.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 10243404121 its reverse (12140434201), we get a palindrome (22383838322).

The spelling of 10243404121 in words is "ten billion, two hundred forty-three million, four hundred four thousand, one hundred twenty-one".

Divisors: 1 31 59 1829 5600549 173617019 330432391 10243404121