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121432032430 = 2512143203243
BaseRepresentation
bin111000100010111101…
…0011100010010101110
3102121102210210101200121
41301011322130102232
53442143100014210
6131441325515154
711526125150032
oct1610572342256
9377383711617
10121432032430
11475542422a5
121b64b412aba
13b5b2a9cc37
145c3d5d61c2
15325aa766da
hex1c45e9c4ae

121432032430 has 8 divisors (see below), whose sum is σ = 218577658392. Its totient is φ = 48572812968.

The previous prime is 121432032401. The next prime is 121432032487. The reversal of 121432032430 is 34230234121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 121432032395 and 121432032404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6071601612 + ... + 6071601631.

It is an arithmetic number, because the mean of its divisors is an integer number (27322207299).

Almost surely, 2121432032430 is an apocalyptic number.

121432032430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121432032430 is a deficient number, since it is larger than the sum of its proper divisors (97145625962).

121432032430 is a wasteful number, since it uses less digits than its factorization.

121432032430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12143203250.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 121432032430 its reverse (34230234121), we get a palindrome (155662266551).

The spelling of 121432032430 in words is "one hundred twenty-one billion, four hundred thirty-two million, thirty-two thousand, four hundred thirty".

Divisors: 1 2 5 10 12143203243 24286406486 60716016215 121432032430