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120130453405 = 524026090681
BaseRepresentation
bin110111111100001010…
…1010011111110011101
3102111002002122022221001
41233320111103332131
53432011344002110
6131104232310301
711451642002014
oct1577025237635
9374062568831
10120130453405
1146a46566756
121b347542391
13b436231331
145b587c3a7b
1531d167363a
hex1bf8553f9d

120130453405 has 4 divisors (see below), whose sum is σ = 144156544092. Its totient is φ = 96104362720.

The previous prime is 120130453363. The next prime is 120130453409. The reversal of 120130453405 is 504354031021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 504354031021 = 975199526093.

It can be written as a sum of positive squares in 2 ways, for example, as 85747651929 + 34382801476 = 292827^2 + 185426^2 .

It is a de Polignac number, because none of the positive numbers 2k-120130453405 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120130453409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12013045336 + ... + 12013045345.

It is an arithmetic number, because the mean of its divisors is an integer number (36039136023).

Almost surely, 2120130453405 is an apocalyptic number.

It is an amenable number.

120130453405 is a deficient number, since it is larger than the sum of its proper divisors (24026090687).

120130453405 is an equidigital number, since it uses as much as digits as its factorization.

120130453405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24026090686.

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 120130453405 its reverse (504354031021), we get a palindrome (624484484426).

The spelling of 120130453405 in words is "one hundred twenty billion, one hundred thirty million, four hundred fifty-three thousand, four hundred five".

Divisors: 1 5 24026090681 120130453405