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10121121233 = 98591026587
BaseRepresentation
bin10010110110100010…
…00000110111010001
3222010100200020012222
421123101000313101
5131212001334413
64352150430425
7505545053036
oct113321006721
928110606188
1010121121233
114324122203
121b65662415
13c53b17842
146c029138d
153e3835b08
hex25b440dd1

10121121233 has 4 divisors (see below), whose sum is σ = 10122157680. Its totient is φ = 10120084788.

The previous prime is 10121121223. The next prime is 10121121247. The reversal of 10121121233 is 33212112101.

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 10121121233 - 24 = 10121121217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10121121223) 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, 503435 + ... + 523152.

It is an arithmetic number, because the mean of its divisors is an integer number (2530539420).

Almost surely, 210121121233 is an apocalyptic number.

It is an amenable number.

10121121233 is a deficient number, since it is larger than the sum of its proper divisors (1036447).

10121121233 is an equidigital number, since it uses as much as digits as its factorization.

10121121233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1036446.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 10121121233 its reverse (33212112101), we get a palindrome (43333233334).

The spelling of 10121121233 in words is "ten billion, one hundred twenty-one million, one hundred twenty-one thousand, two hundred thirty-three".

Divisors: 1 9859 1026587 10121121233