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20112482388 = 22323592275441
BaseRepresentation
bin10010101110110011…
…000010000001010100
31220220200011222002010
4102232303002001110
5312142243414023
613123424144220
71311256164615
oct225663020124
956820158063
1020112482388
118590a76779
123a93768070
131b86a9bb6b
14d8b205c0c
157caa89093
hex4aecc2054

20112482388 has 96 divisors (see below), whose sum is σ = 50028088320. Its totient is φ = 6275061760.

The previous prime is 20112482359. The next prime is 20112482393. The reversal of 20112482388 is 88328421102.

It is a super-2 number, since 2×201124823882 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3693748 + ... + 3699188.

It is an arithmetic number, because the mean of its divisors is an integer number (521125920).

Almost surely, 220112482388 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20112482388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25014044160).

20112482388 is an abundant number, since it is smaller than the sum of its proper divisors (29915605932).

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

20112482388 is a wasteful number, since it uses less digits than its factorization.

20112482388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5757 (or 5755 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 39.

The spelling of 20112482388 in words is "twenty billion, one hundred twelve million, four hundred eighty-two thousand, three hundred eighty-eight".

Divisors: 1 2 3 4 6 12 23 46 59 69 92 118 138 177 227 236 276 354 454 681 708 908 1357 1362 2714 2724 4071 5221 5428 5441 8142 10442 10882 13393 15663 16284 16323 20884 21764 26786 31326 32646 40179 53572 62652 65292 80358 125143 160716 250286 308039 321019 375429 500572 616078 642038 750858 924117 963057 1232156 1235107 1284076 1501716 1848234 1926114 2470214 3696468 3705321 3852228 4940428 7383437 7410642 14766874 14821284 22150311 28407461 29533748 44300622 56814922 72871313 85222383 88601244 113629844 145742626 170444766 218613939 291485252 340889532 437227878 874455756 1676040199 3352080398 5028120597 6704160796 10056241194 20112482388