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10230111211 = 88111611931
BaseRepresentation
bin10011000011100001…
…10001101111101011
3222101221202111100211
421201300301233223
5131422402024321
64411042441551
7511340340055
oct114160615753
928357674324
1010230111211
11437a6a3a71
121b960632b7
13c70588258
146d09428d5
153ed1b40e1
hex261c31beb

10230111211 has 4 divisors (see below), whose sum is σ = 10241724024. Its totient is φ = 10218498400.

The previous prime is 10230111191. The next prime is 10230111223. The reversal of 10230111211 is 11211103201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11211103201 = 90712360643.

It is a cyclic number.

It is not a de Polignac number, because 10230111211 - 211 = 10230109163 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10230111191 and 10230111200.

It is not an unprimeable number, because it can be changed into a prime (10230411211) 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, 5805085 + ... + 5806846.

It is an arithmetic number, because the mean of its divisors is an integer number (2560431006).

Almost surely, 210230111211 is an apocalyptic number.

10230111211 is a deficient number, since it is larger than the sum of its proper divisors (11612813).

10230111211 is an equidigital number, since it uses as much as digits as its factorization.

10230111211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11612812.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 10230111211 its reverse (11211103201), we get a palindrome (21441214412).

The spelling of 10230111211 in words is "ten billion, two hundred thirty million, one hundred eleven thousand, two hundred eleven".

Divisors: 1 881 11611931 10230111211