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9490130380 = 2251932458583
BaseRepresentation
bin10001101011010011…
…11110010111001100
3220111101100120111101
420311221332113030
5123413433133010
64205410232444
7454113530413
oct106551762714
926441316441
109490130380
11402aa27465
121a0a285724
13b8318ac83
1466055c47a
153a824573a
hex235a7e5cc

9490130380 has 24 divisors (see below), whose sum is σ = 20032542432. Its totient is φ = 3776381952.

The previous prime is 9490130359. The next prime is 9490130381. The reversal of 9490130380 is 830310949.

It is not an unprimeable number, because it can be changed into a prime (9490130381) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1225432 + ... + 1233151.

It is an arithmetic number, because the mean of its divisors is an integer number (834689268).

Almost surely, 29490130380 is an apocalyptic number.

It is an amenable number.

9490130380 is an abundant number, since it is smaller than the sum of its proper divisors (10542412052).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9490130380 is a wasteful number, since it uses less digits than its factorization.

9490130380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2458785 (or 2458783 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 9490130380 is about 97417.3002089465. The cubic root of 9490130380 is about 2117.1780999338.

The spelling of 9490130380 in words is "nine billion, four hundred ninety million, one hundred thirty thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 193 386 772 965 1930 3860 2458583 4917166 9834332 12292915 24585830 49171660 474506519 949013038 1898026076 2372532595 4745065190 9490130380