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53522121431343 = 31071312336478443
BaseRepresentation
bin11000010101101100101110…
…00010010001100100101111
321000111122221200000101210110
430022312113002101210233
524003401301041300333
6305455420111111103
714162563030545525
oct1412662702214457
9230448850011713
1053522121431343
1116065671258024
126004b42212493
1323b316442b196
14d306ad674315
1562c377100063
hex30ad9709192f

53522121431343 has 64 divisors (see below), whose sum is σ = 73012423790592. Its totient is φ = 34869447325440.

The previous prime is 53522121431299. The next prime is 53522121431351. The reversal of 53522121431343 is 34313412122535.

It is a happy number.

It is not a de Polignac number, because 53522121431343 - 210 = 53522121430319 is a prime.

It is a super-2 number, since 2×535221214313432 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53522121431543) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6339226080 + ... + 6339234522.

It is an arithmetic number, because the mean of its divisors is an integer number (1140819121728).

Almost surely, 253522121431343 is an apocalyptic number.

53522121431343 is a deficient number, since it is larger than the sum of its proper divisors (19490302359249).

53522121431343 is a wasteful number, since it uses less digits than its factorization.

53522121431343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9564.

The product of its digits is 259200, while the sum is 39.

Adding to 53522121431343 its reverse (34313412122535), we get a palindrome (87835533553878).

The spelling of 53522121431343 in words is "fifty-three trillion, five hundred twenty-two billion, one hundred twenty-one million, four hundred thirty-one thousand, three hundred forty-three".

Divisors: 1 3 107 131 233 321 393 647 699 1941 8443 14017 24931 25329 30523 42051 69229 74793 84757 91569 150751 207687 254271 452253 903401 1106033 1967219 2710203 3265961 3318099 5462621 5901657 9068999 9797883 16130357 16387863 19748381 27206997 48391071 59245143 118345531 210492433 257705689 355036593 584500447 631477299 715603351 773117067 1272790693 1753501341 2113076767 2146810053 3818372079 6339230301 27574508723 76569558557 82723526169 136188604151 166735580783 229708675671 408565812453 500206742349 17840707143781 53522121431343