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190210220202 = 232310433132113
BaseRepresentation
bin1011000100100101101…
…0011010000010101010
3200011222002002100021110
42301021122122002222
511104022304021302
6223214213051150
716512405123642
oct2611132320252
9604862070243
10190210220202
117373878a7a2
1230a45026ab6
1314c24056b72
1492c5c41522
154e33c8db6c
hex2c4969a0aa

190210220202 has 32 divisors (see below), whose sum is σ = 397001513088. Its totient is φ = 60640464896.

The previous prime is 190210220171. The next prime is 190210220203. The reversal of 190210220202 is 202022012091.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (190210220203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1373698 + ... + 1505810.

It is an arithmetic number, because the mean of its divisors is an integer number (12406297284).

Almost surely, 2190210220202 is an apocalyptic number.

190210220202 is an abundant number, since it is smaller than the sum of its proper divisors (206791292886).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

190210220202 is a wasteful number, since it uses less digits than its factorization.

190210220202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142574.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 190210220202 its reverse (202022012091), we get a palindrome (392232232293).

The spelling of 190210220202 in words is "one hundred ninety billion, two hundred ten million, two hundred twenty thousand, two hundred two".

Divisors: 1 2 3 6 23 46 69 138 10433 20866 31299 62598 132113 239959 264226 396339 479918 719877 792678 1439754 3038599 6077198 9115797 18231594 1378334929 2756669858 4135004787 8270009574 31701703367 63403406734 95105110101 190210220202