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121029536 = 254917703
BaseRepresentation
bin1110011011011…
…00001110100000
322102201221022102
413031230032200
5221440421121
620002025532
72666506535
oct715541640
9272657272
10121029536
1162355311
12346482a8
131c0c7714
1412106d8c
15a95a90b
hex736c3a0

121029536 has 24 divisors (see below), whose sum is σ = 238793184. Its totient is φ = 60383680.

The previous prime is 121029533. The next prime is 121029577. The reversal of 121029536 is 635920121.

It is a junction number, because it is equal to n+sod(n) for n = 121029499 and 121029508.

It is not an unprimeable number, because it can be changed into a prime (121029533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11861 + ... + 19563.

It is an arithmetic number, because the mean of its divisors is an integer number (9949716).

Almost surely, 2121029536 is an apocalyptic number.

121029536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

121029536 is a deficient number, since it is larger than the sum of its proper divisors (117763648).

121029536 is an equidigital number, since it uses as much as digits as its factorization.

121029536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8204 (or 8196 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 121029536 is about 11001.3424635360. The cubic root of 121029536 is about 494.6489855793.

Adding to 121029536 its reverse (635920121), we get a palindrome (756949657).

The spelling of 121029536 in words is "one hundred twenty-one million, twenty-nine thousand, five hundred thirty-six".

Divisors: 1 2 4 8 16 32 491 982 1964 3928 7703 7856 15406 15712 30812 61624 123248 246496 3782173 7564346 15128692 30257384 60514768 121029536