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102210021998 = 27191492578847
BaseRepresentation
bin101111100110000110…
…0010010101001101110
3100202211012012002111022
41133030030102221232
53133311231200443
6114542111254142
710245600565220
oct1371414225156
9322735162438
10102210021998
113a38a990367
1217985b1a352
13983b63c976
144d3878a410
1529d3285e68
hex17cc312a6e

102210021998 has 32 divisors (see below), whose sum is σ = 185677056000. Its totient is φ = 41220274464.

The previous prime is 102210021989. The next prime is 102210022001. The reversal of 102210021998 is 899120012201.

102210021998 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×1022100219983 (a number of 34 digits) contains 333 as substring.

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 15 ways as a sum of consecutive naturals, for example, 1249790 + ... + 1329057.

It is an arithmetic number, because the mean of its divisors is an integer number (5802408000).

Almost surely, 2102210021998 is an apocalyptic number.

102210021998 is a deficient number, since it is larger than the sum of its proper divisors (83467034002).

102210021998 is a wasteful number, since it uses less digits than its factorization.

102210021998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2579024.

The product of its (nonzero) digits is 5184, while the sum is 35.

The spelling of 102210021998 in words is "one hundred two billion, two hundred ten million, twenty-one thousand, nine hundred ninety-eight".

Divisors: 1 2 7 14 19 38 133 149 266 298 1043 2086 2831 5662 19817 39634 2578847 5157694 18051929 36103858 48998093 97996186 342986651 384248203 685973302 768496406 2689737421 5379474842 7300715857 14601431714 51105010999 102210021998