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21132205150 = 2527178333863
BaseRepresentation
bin10011101011100100…
…111101110001011110
32000112201222020201211
4103223210331301132
5321234321031100
613412532255034
71345450531360
oct235344756136
960481866654
1021132205150
118a64640561
12411917147a
131cba123204
141046808d30
1583a3641ba
hex4eb93dc5e

21132205150 has 48 divisors (see below), whose sum is σ = 44947551744. Its totient is φ = 7241050080.

The previous prime is 21132205091. The next prime is 21132205187. The reversal of 21132205150 is 5150223112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 607119 + ... + 640981.

It is an arithmetic number, because the mean of its divisors is an integer number (936407328).

Almost surely, 221132205150 is an apocalyptic number.

21132205150 is an abundant number, since it is smaller than the sum of its proper divisors (23815346594).

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

21132205150 is a wasteful number, since it uses less digits than its factorization.

21132205150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35665 (or 35660 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

Adding to 21132205150 its reverse (5150223112), we get a palindrome (26282428262).

The spelling of 21132205150 in words is "twenty-one billion, one hundred thirty-two million, two hundred five thousand, one hundred fifty".

Divisors: 1 2 5 7 10 14 25 35 50 70 175 350 1783 3566 8915 12481 17830 24962 33863 44575 62405 67726 89150 124810 169315 237041 312025 338630 474082 624050 846575 1185205 1693150 2370410 5926025 11852050 60377729 120755458 301888645 422644103 603777290 845288206 1509443225 2113220515 3018886450 4226441030 10566102575 21132205150