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102111210168 = 233111019379573
BaseRepresentation
bin101111100011001001…
…1010110101010111000
3100202120022020221010220
41133012103112222320
53133110432211133
6114524221340040
710243260652122
oct1370623265270
9322508227126
10102111210168
113a33a1305a0
1217958a07620
139824023c26
144d295c8212
1529c97685b3
hex17c64d6ab8

102111210168 has 64 divisors (see below), whose sum is σ = 278759145600. Its totient is φ = 30912343680.

The previous prime is 102111210167. The next prime is 102111210203. The reversal of 102111210168 is 861012111201.

It is a super-3 number, since 3×1021112101683 (a number of 34 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102111210167) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79230 + ... + 458802.

It is an arithmetic number, because the mean of its divisors is an integer number (4355611650).

Almost surely, 2102111210168 is an apocalyptic number.

It is an amenable number.

102111210168 is an abundant number, since it is smaller than the sum of its proper divisors (176647935432).

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

102111210168 is a wasteful number, since it uses less digits than its factorization.

102111210168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380612 (or 380608 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 24.

Adding to 102111210168 its reverse (861012111201), we get a palindrome (963123321369).

The spelling of 102111210168 in words is "one hundred two billion, one hundred eleven million, two hundred ten thousand, one hundred sixty-eight".

Divisors: 1 2 3 4 6 8 11 12 22 24 33 44 66 88 132 264 1019 2038 3057 4076 6114 8152 11209 12228 22418 24456 33627 44836 67254 89672 134508 269016 379573 759146 1138719 1518292 2277438 3036584 4175303 4554876 8350606 9109752 12525909 16701212 25051818 33402424 50103636 100207272 386784887 773569774 1160354661 1547139548 2320709322 3094279096 4254633757 4641418644 8509267514 9282837288 12763901271 17018535028 25527802542 34037070056 51055605084 102111210168