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10202102102 = 2131139280139
BaseRepresentation
bin10011000000001011…
…11011100101010110
3222100000001111002102
421200011323211112
5131343214231402
64404202242102
7510550302623
oct114005734526
928300044072
1010202102102
114365903345
121b887b6332
13c6782c50a
146cad3134a
153ea9d0102
hex26017b956

10202102102 has 16 divisors (see below), whose sum is σ = 15530961600. Its totient is φ = 5025675720.

The previous prime is 10202102089. The next prime is 10202102123. The reversal of 10202102102 is 20120120201.

It is a happy number.

It is a congruent number.

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, 103652 + ... + 176487.

It is an arithmetic number, because the mean of its divisors is an integer number (970685100).

Almost surely, 210202102102 is an apocalyptic number.

10202102102 is a deficient number, since it is larger than the sum of its proper divisors (5328859498).

10202102102 is a wasteful number, since it uses less digits than its factorization.

10202102102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280411.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 10202102102 its reverse (20120120201), we get a palindrome (30322222303).

The spelling of 10202102102 in words is "ten billion, two hundred two million, one hundred two thousand, one hundred two".

Divisors: 1 2 131 139 262 278 18209 36418 280139 560278 36698209 38939321 73396418 77878642 5101051051 10202102102