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20010543931224 = 233372111985910531
BaseRepresentation
bin1001000110011000100010…
…10111001101111101011000
32121211222201012201201011000
410203030101113031331120
510110323043221244344
6110320414511105000
74133466634661100
oct443142127157530
977758635651130
1020010543931224
116415473414690
1222b2216812160
13b21ca88982b2
144d2730730200
1524a7c0888a69
hex1233115cdf58

20010543931224 has 768 divisors, whose sum is σ = 74344124160000. Its totient is φ = 4917789676800.

The previous prime is 20010543931193. The next prime is 20010543931237. The reversal of 20010543931224 is 42213934501002.

20010543931224 is a `hidden beast` number, since 2 + 0 + 0 + 1 + 0 + 543 + 93 + 1 + 2 + 24 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1900150839 + ... + 1900161369.

It is an arithmetic number, because the mean of its divisors is an integer number (96802245000).

Almost surely, 220010543931224 is an apocalyptic number.

20010543931224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20010543931224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37172062080000).

20010543931224 is an abundant number, since it is smaller than the sum of its proper divisors (54333580228776).

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

20010543931224 is a wasteful number, since it uses less digits than its factorization.

20010543931224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11449 (or 11432 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 20010543931224 in words is "twenty trillion, ten billion, five hundred forty-three million, nine hundred thirty-one thousand, two hundred twenty-four".