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102020010202 = 2115101909091
BaseRepresentation
bin101111100000011011…
…1011101000011011010
3100202022221122111022101
41133000313131003122
53132414110311302
6114511202514014
710241102531035
oct1370067350332
9322287574271
10102020010202
113a2a26aa720
121793236590a
13980b171a56
144d1b44801c
1529c1751287
hex17c0ddd0da

102020010202 has 16 divisors (see below), whose sum is σ = 166974745824. Its totient is φ = 46363590000.

The previous prime is 102020010151. The next prime is 102020010221. The reversal of 102020010202 is 202010020201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 342324 + ... + 566767.

It is an arithmetic number, because the mean of its divisors is an integer number (10435921614).

Almost surely, 2102020010202 is an apocalyptic number.

102020010202 is a deficient number, since it is larger than the sum of its proper divisors (64954735622).

102020010202 is a wasteful number, since it uses less digits than its factorization.

102020010202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 914205.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 102020010202 its reverse (202010020201), we get a palindrome (304030030403).

Subtracting 102020010202 from its reverse (202010020201), we obtain a palindrome (99990009999).

It can be divided in two parts, 1020200 and 10202, that multiplied together give a square (10408080400 = 1020202).

The spelling of 102020010202 in words is "one hundred two billion, twenty million, ten thousand, two hundred two".

Divisors: 1 2 11 22 5101 10202 56111 112222 909091 1818182 10000001 20000002 4637273191 9274546382 51010005101 102020010202