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102102102211012 = 22208791222545407
BaseRepresentation
bin10111001101110001111111…
…100010000111100111000100
3111101111212101001111002212121
4113031301333202013213010
5101340320101131223022
61001053020324255324
730335430163132021
oct2715617742074704
9441455331432777
10102102102211012
112a5952929a1332
12b5500a3541544
1344c82578a0097
141b2daa79c6548
15bc0d9b3392c7
hex5cdc7f8879c4

102102102211012 has 12 divisors (see below), whose sum is σ = 178687236833280. Its totient is φ = 51048605972936.

The previous prime is 102102102210961. The next prime is 102102102211013. The reversal of 102102102211012 is 210112201201201.

It is not an unprimeable number, because it can be changed into a prime (102102102211013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 611189188 + ... + 611356219.

It is an arithmetic number, because the mean of its divisors is an integer number (14890603069440).

Almost surely, 2102102102211012 is an apocalyptic number.

It is an amenable number.

102102102211012 is a deficient number, since it is larger than the sum of its proper divisors (76585134622268).

102102102211012 is a wasteful number, since it uses less digits than its factorization.

102102102211012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222566290 (or 1222566288 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 102102102211012 its reverse (210112201201201), we get a palindrome (312214303412213).

The spelling of 102102102211012 in words is "one hundred two trillion, one hundred two billion, one hundred two million, two hundred eleven thousand, twelve".

Divisors: 1 2 4 20879 41758 83516 1222545407 2445090814 4890181628 25525525552753 51051051105506 102102102211012