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10310020121 = 71359404489
BaseRepresentation
bin10011001101000011…
…00110110000011001
3222121112010021210002
421212201212300121
5132103331120441
64423015302345
7513330503462
oct114641466031
928545107702
1010310020121
114410812795
121bb897a9b5
13c83cb602b
146db3c3d69
154051eab9b
hex266866c19

10310020121 has 8 divisors (see below), whose sum is σ = 10484380800. Its totient is φ = 10136469280.

The previous prime is 10310020117. The next prime is 10310020163. The reversal of 10310020121 is 12102001301.

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 10310020121 - 22 = 10310020117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10310020111) 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, 176756 + ... + 227733.

It is an arithmetic number, because the mean of its divisors is an integer number (1310547600).

Almost surely, 210310020121 is an apocalyptic number.

It is an amenable number.

10310020121 is a deficient number, since it is larger than the sum of its proper divisors (174360679).

10310020121 is an equidigital number, since it uses as much as digits as its factorization.

10310020121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404919.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 10310020121 its reverse (12102001301), we get a palindrome (22412021422).

The spelling of 10310020121 in words is "ten billion, three hundred ten million, twenty thousand, one hundred twenty-one".

Divisors: 1 71 359 25489 404489 28718719 145211551 10310020121