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121030442522 = 21143795932731
BaseRepresentation
bin111000010110111111…
…0011111111000011010
3102120101211010111220022
41300231332133320122
53440332243130042
6131333422230442
711513150534003
oct1605576377032
9376354114808
10121030442522
1147368590910
121b558a25422
13b54a822a82
145c0213a1aa
15323569bcd2
hex1c2df9fe1a

121030442522 has 64 divisors (see below), whose sum is σ = 205642229760. Its totient is φ = 52945401600.

The previous prime is 121030442521. The next prime is 121030442531. The reversal of 121030442522 is 225244030121.

It is a super-2 number, since 2×1210304425222 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121030442491 and 121030442500.

It is not an unprimeable number, because it can be changed into a prime (121030442521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44315897 + ... + 44318627.

It is an arithmetic number, because the mean of its divisors is an integer number (3213159840).

Almost surely, 2121030442522 is an apocalyptic number.

121030442522 is a deficient number, since it is larger than the sum of its proper divisors (84611787238).

121030442522 is a wasteful number, since it uses less digits than its factorization.

121030442522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3459.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 121030442522 its reverse (225244030121), we get a palindrome (346274472643).

The spelling of 121030442522 in words is "one hundred twenty-one billion, thirty million, four hundred forty-two thousand, five hundred twenty-two".

Divisors: 1 2 11 22 43 79 86 158 473 593 869 946 1186 1738 2731 3397 5462 6523 6794 13046 25499 30041 37367 46847 50998 60082 74734 93694 117433 215749 234866 280489 431498 515317 560978 1030634 1291763 1619483 2014421 2373239 2583526 3238966 4028842 4746478 9277207 17814313 18554414 22158631 35628626 44317262 69637769 102049277 127939157 139275538 204098554 255878314 766015459 1407330727 1532030918 2814661454 5501383751 11002767502 60515221261 121030442522