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2021101113 = 314919922721
BaseRepresentation
bin111100001110111…
…1000111000111001
312012212001120111210
41320131320320321
513114400213423
6532315113333
7101041035033
oct17035707071
95185046453
102021101113
1194794a1a9
12484a42849
13262954a25
141525ccc53
15bc67eb93
hex78778e39

2021101113 has 16 divisors (see below), whose sum is σ = 2726640000. Its totient is φ = 1331573760.

The previous prime is 2021101067. The next prime is 2021101127. The reversal of 2021101113 is 3111011202.

It is not a de Polignac number, because 2021101113 - 210 = 2021100089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2021101213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77593 + ... + 100313.

It is an arithmetic number, because the mean of its divisors is an integer number (170415000).

Almost surely, 22021101113 is an apocalyptic number.

It is an amenable number.

2021101113 is a deficient number, since it is larger than the sum of its proper divisors (705538887).

2021101113 is a wasteful number, since it uses less digits than its factorization.

2021101113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23072.

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

The square root of 2021101113 is about 44956.6581609443. The cubic root of 2021101113 is about 1264.3365136527.

Adding to 2021101113 its reverse (3111011202), we get a palindrome (5132112315).

The spelling of 2021101113 in words is "two billion, twenty-one million, one hundred one thousand, one hundred thirteen".

Divisors: 1 3 149 199 447 597 22721 29651 68163 88953 3385429 4521479 10156287 13564437 673700371 2021101113