Search a number
-
+
10212012110101 = 42923237914687
BaseRepresentation
bin1001010010011010101101…
…0110101011000100010101
31100011020222200102100121111
42110212223112223010111
52314303200100010401
633415200020215021
72102536115503414
oct224465326530425
940136880370544
1010212012110101
11328798767833a
12118b1a623a471
13590cb0c8c349
1427439a6a147b
1512a987c2ae51
hex949ab5ab115

10212012110101 has 4 divisors (see below), whose sum is σ = 10212250067712. Its totient is φ = 10211774152492.

The previous prime is 10212012110021. The next prime is 10212012110143. The reversal of 10212012110101 is 10101121021201.

It is a happy number.

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 10212012110101 - 29 = 10212012109589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10212012111101) 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, 118914421 + ... + 119000266.

It is an arithmetic number, because the mean of its divisors is an integer number (2553062516928).

Almost surely, 210212012110101 is an apocalyptic number.

It is an amenable number.

10212012110101 is a deficient number, since it is larger than the sum of its proper divisors (237957611).

10212012110101 is an equidigital number, since it uses as much as digits as its factorization.

10212012110101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237957610.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 10212012110101 its reverse (10101121021201), we get a palindrome (20313133131302).

The spelling of 10212012110101 in words is "ten trillion, two hundred twelve billion, twelve million, one hundred ten thousand, one hundred one".

Divisors: 1 42923 237914687 10212012110101