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130440122 = 2199327739
BaseRepresentation
bin1111100011001…
…01101110111010
3100002110001012122
413301211232322
5231343040442
620535441242
73142502621
oct761455672
9302401178
10130440122
11676a265a
1237826222
1321040c07
14134766b8
15b6b8dd2
hex7c65bba

130440122 has 8 divisors (see below), whose sum is σ = 196644000. Its totient is φ = 64892124.

The previous prime is 130440109. The next prime is 130440197. The reversal of 130440122 is 221044031.

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

It is a self number, because there is not a number n which added to its sum of digits gives 130440122.

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 3 ways as a sum of consecutive naturals, for example, 163472 + ... + 164267.

It is an arithmetic number, because the mean of its divisors is an integer number (24580500).

Almost surely, 2130440122 is an apocalyptic number.

130440122 is a deficient number, since it is larger than the sum of its proper divisors (66203878).

130440122 is a wasteful number, since it uses less digits than its factorization.

130440122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327940.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 130440122 is about 11421.0385692370. The cubic root of 130440122 is about 507.1507422509.

Adding to 130440122 its reverse (221044031), we get a palindrome (351484153).

The spelling of 130440122 in words is "one hundred thirty million, four hundred forty thousand, one hundred twenty-two".

Divisors: 1 2 199 398 327739 655478 65220061 130440122