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21020541114 = 2373173277411
BaseRepresentation
bin10011100100111011…
…000000000010111010
32000020221212010110210
4103210323000002322
5321022224303424
613353503051550
71342623436266
oct234473000272
960227763423
1021020541114
118a07602731
1240a78a0bb6
131c9cc57611
141035a5d0a6
15830658729
hex4e4ec00ba

21020541114 has 32 divisors (see below), whose sum is σ = 42863482944. Its totient is φ = 6870890880.

The previous prime is 21020541103. The next prime is 21020541119. The reversal of 21020541114 is 41114502012.

It is not an unprimeable number, because it can be changed into a prime (21020541119) 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, 62932 + ... + 214479.

It is an arithmetic number, because the mean of its divisors is an integer number (1339483842).

Almost surely, 221020541114 is an apocalyptic number.

21020541114 is an abundant number, since it is smaller than the sum of its proper divisors (21842941830).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21020541114 is a wasteful number, since it uses less digits than its factorization.

21020541114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277662.

The product of its (nonzero) digits is 320, while the sum is 21.

The spelling of 21020541114 in words is "twenty-one billion, twenty million, five hundred forty-one thousand, one hundred fourteen".

Divisors: 1 2 3 6 73 146 173 219 346 438 519 1038 12629 25258 37887 75774 277411 554822 832233 1664466 20251003 40502006 47992103 60753009 95984206 121506018 143976309 287952618 3503423519 7006847038 10510270557 21020541114