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121350113530 = 25113293366517
BaseRepresentation
bin111000100000100000…
…1111100100011111010
3102121020002122111002021
41301001001330203322
53442011112113110
6131425242025054
711524111642312
oct1610101744372
9377202574067
10121350113530
1147511a80428
121b627aa818a
13b59bb1a309
145c32790442
1532537942da
hex1c4107c8fa

121350113530 has 32 divisors (see below), whose sum is σ = 221115911184. Its totient is φ = 47946157056.

The previous prime is 121350113527. The next prime is 121350113543. The reversal of 121350113530 is 35311053121.

121350113530 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 19972190329 + 101377923201 = 141323^2 + 318399^2 .

It is a junction number, because it is equal to n+sod(n) for n = 121350113495 and 121350113504.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147832 + ... + 514348.

Almost surely, 2121350113530 is an apocalyptic number.

121350113530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121350113530 is a deficient number, since it is larger than the sum of its proper divisors (99765797654).

121350113530 is a wasteful number, since it uses less digits than its factorization.

121350113530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366930.

The product of its (nonzero) digits is 1350, while the sum is 25.

Adding to 121350113530 its reverse (35311053121), we get a palindrome (156661166651).

The spelling of 121350113530 in words is "one hundred twenty-one billion, three hundred fifty million, one hundred thirteen thousand, five hundred thirty".

Divisors: 1 2 5 10 113 226 293 565 586 1130 1465 2930 33109 66218 165545 331090 366517 733034 1832585 3665170 41416421 82832842 107389481 207082105 214778962 414164210 536947405 1073894810 12135011353 24270022706 60675056765 121350113530