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53143121232 = 24321787206519
BaseRepresentation
bin110001011111100100…
…111010110101010000
312002011122011021101100
4301133210322311100
51332314114334412
640225201304400
73560636035335
oct613744726520
9162148137340
1053143121232
11205a09a7603
12a371635100
13501bcb5186
142801d5098c
1515b07a9edc
hexc5f93ad50

53143121232 has 60 divisors (see below), whose sum is σ = 148810877280. Its totient is φ = 17704375104.

The previous prime is 53143121219. The next prime is 53143121243. The reversal of 53143121232 is 23212134135.

53143121232 is a `hidden beast` number, since 5 + 314 + 312 + 1 + 2 + 32 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 53143121196 and 53143121205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 154069 + ... + 360587.

It is an arithmetic number, because the mean of its divisors is an integer number (2480181288).

Almost surely, 253143121232 is an apocalyptic number.

It is an amenable number.

53143121232 is an abundant number, since it is smaller than the sum of its proper divisors (95667756048).

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

53143121232 is a wasteful number, since it uses less digits than its factorization.

53143121232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208320 (or 208311 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

Adding to 53143121232 its reverse (23212134135), we get a palindrome (76355255367).

The spelling of 53143121232 in words is "fifty-three billion, one hundred forty-three million, one hundred twenty-one thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 1787 3574 5361 7148 10722 14296 16083 21444 28592 32166 42888 64332 85776 128664 206519 257328 413038 619557 826076 1239114 1652152 1858671 2478228 3304304 3717342 4956456 7434684 9912912 14869368 29738736 369049453 738098906 1107148359 1476197812 2214296718 2952395624 3321445077 4428593436 5904791248 6642890154 8857186872 13285780308 17714373744 26571560616 53143121232