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102006205164 = 223215740145007
BaseRepresentation
bin101111100000000001…
…0110010101011101100
3100202021222200010100200
41133000002302223230
53132402042031124
6114505550553500
710240544303103
oct1370002625354
9322258603320
10102006205164
113a2959307a6
1217929808890
13980834a2a6
144d1969303a
1529c0425bc9
hex17c00b2aec

102006205164 has 72 divisors (see below), whose sum is σ = 260144259648. Its totient is φ = 33700492800.

The previous prime is 102006205159. The next prime is 102006205181. The reversal of 102006205164 is 461502600201.

102006205164 is a `hidden beast` number, since 1 + 0 + 20 + 0 + 620 + 5 + 16 + 4 = 666.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 2243949 + ... + 2288955.

Almost surely, 2102006205164 is an apocalyptic number.

It is an amenable number.

102006205164 is an abundant number, since it is smaller than the sum of its proper divisors (158138054484).

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

102006205164 is a wasteful number, since it uses less digits than its factorization.

102006205164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45575 (or 45570 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

Adding to 102006205164 its reverse (461502600201), we get a palindrome (563508805365).

The spelling of 102006205164 in words is "one hundred two billion, six million, two hundred five thousand, one hundred sixty-four".

Divisors: 1 2 3 4 6 9 12 18 36 157 314 401 471 628 802 942 1203 1413 1604 1884 2406 2826 3609 4812 5652 7218 14436 45007 62957 90014 125914 135021 180028 188871 251828 270042 377742 405063 540084 566613 755484 810126 1133226 1620252 2266452 7066099 14132198 18047807 21198297 28264396 36095614 42396594 54143421 63594891 72191228 84793188 108286842 127189782 162430263 216573684 254379564 324860526 649721052 2833505699 5667011398 8500517097 11334022796 17001034194 25501551291 34002068388 51003102582 102006205164