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121530035 = 5117330269
BaseRepresentation
bin1110011111001…
…10011010110011
322110200100212102
413033212122303
5222102430120
620020451015
73003662654
oct717463263
9273610772
10121530035
1162667350
1234849a6b
131c241483
14121d752b
15aa08d75
hex73e66b3

121530035 has 16 divisors (see below), whose sum is σ = 161278560. Its totient is φ = 87171840.

The previous prime is 121529987. The next prime is 121530041. The reversal of 121530035 is 530035121.

It is a de Polignac number, because none of the positive numbers 2k-121530035 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121529989 and 121530016.

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, 11120 + ... + 19149.

It is an arithmetic number, because the mean of its divisors is an integer number (10079910).

Almost surely, 2121530035 is an apocalyptic number.

121530035 is a deficient number, since it is larger than the sum of its proper divisors (39748525).

121530035 is a wasteful number, since it uses less digits than its factorization.

121530035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30358.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 121530035 is about 11024.0661736040. The cubic root of 121530035 is about 495.3298960643.

Adding to 121530035 its reverse (530035121), we get a palindrome (651565156).

The spelling of 121530035 in words is "one hundred twenty-one million, five hundred thirty thousand, thirty-five".

Divisors: 1 5 11 55 73 365 803 4015 30269 151345 332959 1664795 2209637 11048185 24306007 121530035