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10122212228 = 2219133187003
BaseRepresentation
bin10010110110101010…
…01011001110000100
3222010102201122210012
421123111023032010
5131212241242403
64352230045352
7505560245552
oct113325131604
928112648705
1010122212228
1143247a7957
121b65aa9858
13c5410a2bb
146c0496bd2
153e399ded8
hex25b54b384

10122212228 has 12 divisors (see below), whose sum is σ = 18646180560. Its totient is φ = 4794732072.

The previous prime is 10122212227. The next prime is 10122212239. The reversal of 10122212228 is 82221222101.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (10122212227) 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, 66593426 + ... + 66593577.

It is an arithmetic number, because the mean of its divisors is an integer number (1553848380).

Almost surely, 210122212228 is an apocalyptic number.

It is an amenable number.

10122212228 is a deficient number, since it is larger than the sum of its proper divisors (8523968332).

10122212228 is a wasteful number, since it uses less digits than its factorization.

10122212228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133187026 (or 133187024 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 10122212228 its reverse (82221222101), we get a palindrome (92343434329).

The spelling of 10122212228 in words is "ten billion, one hundred twenty-two million, two hundred twelve thousand, two hundred twenty-eight".

Divisors: 1 2 4 19 38 76 133187003 266374006 532748012 2530553057 5061106114 10122212228