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120404231433 = 341787439529
BaseRepresentation
bin111000000100010100…
…1101100010100001001
3102111210011210200210000
41300020221230110021
53433041440401213
6131151332313213
711461505036463
oct1601051542411
9374704720700
10120404231433
1147077060192
121b403172809
13b47ab7a975
145b82ccd133
1531ea702c73
hex1c08a6c509

120404231433 has 20 divisors (see below), whose sum is σ = 190443296340. Its totient is φ = 75547752192.

The previous prime is 120404231413. The next prime is 120404231459. The reversal of 120404231433 is 334132404021.

120404231433 is a `hidden beast` number, since 1 + 20 + 404 + 231 + 4 + 3 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 33303695049 + 87100536384 = 182493^2 + 295128^2 .

It is not a de Polignac number, because 120404231433 - 210 = 120404230409 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 120404231397 and 120404231406.

It is not an unprimeable number, because it can be changed into a prime (120404231413) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 43718388 + ... + 43721141.

It is an arithmetic number, because the mean of its divisors is an integer number (9522164817).

Almost surely, 2120404231433 is an apocalyptic number.

It is an amenable number.

120404231433 is a deficient number, since it is larger than the sum of its proper divisors (70039064907).

120404231433 is an equidigital number, since it uses as much as digits as its factorization.

120404231433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87439558 (or 87439549 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 120404231433 its reverse (334132404021), we get a palindrome (454536635454).

The spelling of 120404231433 in words is "one hundred twenty billion, four hundred four million, two hundred thirty-one thousand, four hundred thirty-three".

Divisors: 1 3 9 17 27 51 81 153 459 1377 87439529 262318587 786955761 1486471993 2360867283 4459415979 7082601849 13378247937 40134743811 120404231433