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2021022313 = 71107266029
BaseRepresentation
bin111100001110110…
…0101101001101001
312012211220120102021
41320131211221221
513114340203223
6532313304441
7101040256222
oct17035455151
95184816367
102021022313
119478a5a82
12484a05121
13262927bbb
141525ac249
15bc66665d
hex78765a69

2021022313 has 8 divisors (see below), whose sum is σ = 2068649280. Its totient is φ = 1973927760.

The previous prime is 2021022299. The next prime is 2021022323. The reversal of 2021022313 is 3132201202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2021022313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2021022323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125418 + ... + 140611.

It is an arithmetic number, because the mean of its divisors is an integer number (258581160).

Almost surely, 22021022313 is an apocalyptic number.

It is an amenable number.

2021022313 is a deficient number, since it is larger than the sum of its proper divisors (47626967).

2021022313 is a wasteful number, since it uses less digits than its factorization.

2021022313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266207.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2021022313 is about 44955.7817527401. The cubic root of 2021022313 is about 1264.3200818486.

Adding to 2021022313 its reverse (3132201202), we get a palindrome (5153223515).

The spelling of 2021022313 in words is "two billion, twenty-one million, twenty-two thousand, three hundred thirteen".

Divisors: 1 71 107 7597 266029 18888059 28465103 2021022313