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10211020133 = 12161839653
BaseRepresentation
bin10011000001001111…
…11100110101100101
3222100121211120022212
421200213330311211
5131403010121013
64405121333205
7511016144666
oct114047746545
928317746285
1010211020133
11436a944616
121b8b797205
13c69632762
146cc1b336d
153eb6926a8
hex2609fcd65

10211020133 has 4 divisors (see below), whose sum is σ = 10211871948. Its totient is φ = 10210168320.

The previous prime is 10211020103. The next prime is 10211020181. The reversal of 10211020133 is 33102011201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6784322689 + 3426697444 = 82367^2 + 58538^2 .

It is a cyclic number.

It is not a de Polignac number, because 10211020133 - 226 = 10143911269 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 (10211020103) 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, 407666 + ... + 431987.

It is an arithmetic number, because the mean of its divisors is an integer number (2552967987).

Almost surely, 210211020133 is an apocalyptic number.

It is an amenable number.

10211020133 is a deficient number, since it is larger than the sum of its proper divisors (851815).

10211020133 is an equidigital number, since it uses as much as digits as its factorization.

10211020133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 851814.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 10211020133 its reverse (33102011201), we get a palindrome (43313031334).

The spelling of 10211020133 in words is "ten billion, two hundred eleven million, twenty thousand, one hundred thirty-three".

Divisors: 1 12161 839653 10211020133