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10213130132021 = 10709953695969
BaseRepresentation
bin1001010010011110110111…
…1111100101101000110101
31100011100212121011202100202
42110213231333211220311
52314312442303211041
633415502555250245
72102605612516505
oct224475577455065
940140777152322
1010213130132021
1132884007817a3
12118b458749985
1359112b7acc8b
14274464d71a05
1512aa00e71a9b
hex949edfe5a35

10213130132021 has 4 divisors (see below), whose sum is σ = 10214083838700. Its totient is φ = 10212176425344.

The previous prime is 10213130132011. The next prime is 10213130132047. The reversal of 10213130132021 is 12023103131201.

It is a happy number.

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 4181002562500 + 6032127569521 = 2044750^2 + 2456039^2 .

It is a cyclic number.

It is not a de Polignac number, because 10213130132021 - 214 = 10213130115637 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10213130131984 and 10213130132002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10213130132011) 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, 476837276 + ... + 476858693.

It is an arithmetic number, because the mean of its divisors is an integer number (2553520959675).

Almost surely, 210213130132021 is an apocalyptic number.

It is an amenable number.

10213130132021 is a deficient number, since it is larger than the sum of its proper divisors (953706679).

10213130132021 is an equidigital number, since it uses as much as digits as its factorization.

10213130132021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 953706678.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 10213130132021 its reverse (12023103131201), we get a palindrome (22236233263222).

The spelling of 10213130132021 in words is "ten trillion, two hundred thirteen billion, one hundred thirty million, one hundred thirty-two thousand, twenty-one".

Divisors: 1 10709 953695969 10213130132021