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21044100301 = 717269965521
BaseRepresentation
bin10011100110010100…
…110111110011001101
32000022121012001121021
4103212110313303031
5321044242202201
613400104034141
71343330621050
oct234624676315
960277161537
1021044100301
118a19934034
1240b3762951
131ca4ab5a73
141038c32a97
1583275dea1
hex4e6537ccd

21044100301 has 16 divisors (see below), whose sum is σ = 25474953600. Its totient is φ = 16970204160.

The previous prime is 21044100281. The next prime is 21044100307. The reversal of 21044100301 is 10300144012.

It is not a de Polignac number, because 21044100301 - 29 = 21044099789 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 (21044100307) 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, 288421 + ... + 353941.

It is an arithmetic number, because the mean of its divisors is an integer number (1592184600).

Almost surely, 221044100301 is an apocalyptic number.

It is an amenable number.

21044100301 is a deficient number, since it is larger than the sum of its proper divisors (4430853299).

21044100301 is a wasteful number, since it uses less digits than its factorization.

21044100301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68244.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 21044100301 its reverse (10300144012), we get a palindrome (31344244313).

The spelling of 21044100301 in words is "twenty-one billion, forty-four million, one hundred thousand, three hundred one".

Divisors: 1 7 17 119 2699 18893 45883 65521 321181 458647 1113857 7796999 176841179 1237888253 3006300043 21044100301