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10202122122 = 234383476423
BaseRepresentation
bin10011000000001100…
…00000011110001010
3222100000002111112220
421200012000132022
5131343220401442
64404202514510
7510550415163
oct114006003612
928300074486
1010202122122
114365917395
121b88805a36
13c6783866a
146cad3876a
153ea9d5eec
hex26018078a

10202122122 has 32 divisors (see below), whose sum is σ = 21130357248. Its totient is φ = 3281594736.

The previous prime is 10202122111. The next prime is 10202122129. The reversal of 10202122122 is 22122120201.

It is not an unprimeable number, because it can be changed into a prime (10202122129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 216798 + ... + 259625.

It is an arithmetic number, because the mean of its divisors is an integer number (660323664).

Almost surely, 210202122122 is an apocalyptic number.

10202122122 is an abundant number, since it is smaller than the sum of its proper divisors (10928235126).

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

10202122122 is a wasteful number, since it uses less digits than its factorization.

10202122122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476554.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 10202122122 its reverse (22122120201), we get a palindrome (32324242323).

The spelling of 10202122122 in words is "ten billion, two hundred two million, one hundred twenty-two thousand, one hundred twenty-two".

Divisors: 1 2 3 6 43 83 86 129 166 249 258 498 3569 7138 10707 21414 476423 952846 1429269 2858538 20486189 39543109 40972378 61458567 79086218 118629327 122917134 237258654 1700353687 3400707374 5101061061 10202122122