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10233000121 = 43237976747
BaseRepresentation
bin10011000011110111…
…10011000010111001
3222102011012021012111
421201323303002321
5131424122000441
64411224412321
7511404031411
oct114173630271
928364167174
1010233000121
1143812974a3
121b970170a1
13c7105a176
146d1095641
153ed585081
hex261ef30b9

10233000121 has 4 divisors (see below), whose sum is σ = 10470976912. Its totient is φ = 9995023332.

The previous prime is 10233000119. The next prime is 10233000137. The reversal of 10233000121 is 12100033201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10233000121 - 21 = 10233000119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10233000181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118988331 + ... + 118988416.

It is an arithmetic number, because the mean of its divisors is an integer number (2617744228).

Almost surely, 210233000121 is an apocalyptic number.

It is an amenable number.

10233000121 is a deficient number, since it is larger than the sum of its proper divisors (237976791).

10233000121 is an equidigital number, since it uses as much as digits as its factorization.

10233000121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237976790.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 10233000121 its reverse (12100033201), we get a palindrome (22333033322).

The spelling of 10233000121 in words is "ten billion, two hundred thirty-three million, one hundred twenty-one", and thus it is an aban number.

Divisors: 1 43 237976747 10233000121