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142210053531 = 327134126316103
BaseRepresentation
bin1000010001110001100…
…0010011010110011011
3111121001212022020020200
42010130120103112123
54312221233203111
6145155210553243
713163045340030
oct2043430232633
9447055266220
10142210053531
1155346960067
1223689a38823
1310544703690
146c50d65387
153a74c77256
hex211c61359b

142210053531 has 96 divisors (see below), whose sum is σ = 259985037312. Its totient is φ = 72899550720.

The previous prime is 142210053523. The next prime is 142210053541. The reversal of 142210053531 is 135350012241.

142210053531 is a `hidden beast` number, since 1 + 4 + 22 + 100 + 5 + 3 + 531 = 666.

It is not a de Polignac number, because 142210053531 - 23 = 142210053523 is a prime.

It is a super-2 number, since 2×1422100535312 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 142210053495 and 142210053504.

It is not an unprimeable number, because it can be changed into a prime (142210053541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 8823226 + ... + 8839328.

It is an arithmetic number, because the mean of its divisors is an integer number (2708177472).

Almost surely, 2142210053531 is an apocalyptic number.

142210053531 is a deficient number, since it is larger than the sum of its proper divisors (117774983781).

142210053531 is a wasteful number, since it uses less digits than its factorization.

142210053531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16433 (or 16430 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 142210053531 its reverse (135350012241), we get a palindrome (277560065772).

The spelling of 142210053531 in words is "one hundred forty-two billion, two hundred ten million, fifty-three thousand, five hundred thirty-one".

Divisors: 1 3 7 9 13 21 39 41 63 91 117 123 263 273 287 369 533 789 819 861 1599 1841 2367 2583 3419 3731 4797 5523 10257 10783 11193 16103 16569 23933 30771 32349 33579 48309 71799 75481 97047 112721 140179 144927 209339 215397 226443 338163 420537 628017 660223 679329 981253 1014489 1261611 1465373 1884051 1980669 2943759 4235089 4396119 4621561 5942007 8582899 8831277 12705267 13188357 13864683 25748697 29645623 38115801 41594049 55056157 60080293 77246091 88936869 165168471 173638649 180240879 266810607 385393099 495505413 520915947 540722637 1156179297 1215470543 1562747841 2257302437 3468537891 3646411629 6771907311 10939234887 15801117059 20315721933 47403351177 142210053531