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102012212211 = 37133541105527
BaseRepresentation
bin101111100000001100…
…1101101001111110011
3100202022101222022110220
41133000121231033303
53132410111242321
6114510323424123
710240646332260
oct1370031551763
9322271868426
10102012212211
113a2992639a8
121792b825043
139809671560
144d1a3b8267
1529c0c109c6
hex17c066d3f3

102012212211 has 32 divisors (see below), whose sum is σ = 167453518848. Its totient is φ = 53792933760.

The previous prime is 102012212201. The next prime is 102012212231. The reversal of 102012212211 is 112212210201.

It is not a de Polignac number, because 102012212211 - 27 = 102012212083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102012212201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 913930 + ... + 1019456.

It is an arithmetic number, because the mean of its divisors is an integer number (5232922464).

Almost surely, 2102012212211 is an apocalyptic number.

102012212211 is a deficient number, since it is larger than the sum of its proper divisors (65441306637).

102012212211 is a wasteful number, since it uses less digits than its factorization.

102012212211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109091.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 102012212211 its reverse (112212210201), we get a palindrome (214224422412).

The spelling of 102012212211 in words is "one hundred two billion, twelve million, two hundred twelve thousand, two hundred eleven".

Divisors: 1 3 7 13 21 39 91 273 3541 10623 24787 46033 74361 105527 138099 316581 322231 738689 966693 1371851 2216067 4115553 9602957 28808871 373671107 1121013321 2615697749 4857724391 7847093247 14573173173 34004070737 102012212211