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21332131014 = 2353307921787
BaseRepresentation
bin10011110111011111…
…100111110011000110
32001001200011112110110
4103313133213303012
5322142011143024
613444433333450
71353426056535
oct236737476306
961050145413
1021332131014
119057482847
124174107286
13201c68283c
1410651ac31c
1584cba6629
hex4f77e7cc6

21332131014 has 32 divisors (see below), whose sum is σ = 43485361920. Its totient is φ = 6973960032.

The previous prime is 21332130959. The next prime is 21332131031. The reversal of 21332131014 is 41013123312.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 968229 + ... + 990015.

It is an arithmetic number, because the mean of its divisors is an integer number (1358917560).

Almost surely, 221332131014 is an apocalyptic number.

21332131014 is an abundant number, since it is smaller than the sum of its proper divisors (22153230906).

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

21332131014 is a wasteful number, since it uses less digits than its factorization.

21332131014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24924.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 21332131014 its reverse (41013123312), we get a palindrome (62345254326).

The spelling of 21332131014 in words is "twenty-one billion, three hundred thirty-two million, one hundred thirty-one thousand, fourteen".

Divisors: 1 2 3 6 53 106 159 318 3079 6158 9237 18474 21787 43574 65361 130722 163187 326374 489561 979122 1154711 2309422 3464133 6928266 67082173 134164346 201246519 402493038 3555355169 7110710338 10666065507 21332131014