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10320345460 = 225516017273
BaseRepresentation
bin10011001110010001…
…11111100101110100
3222122020112212111001
421213020333211310
5132114002023320
64424024453044
7513514326505
oct114710774564
928566485431
1010320345460
114416625327
12200031a184
13c8618c9b9
146dc910bac
1540608a20a
hex26723f974

10320345460 has 12 divisors (see below), whose sum is σ = 21672725508. Its totient is φ = 4128138176.

The previous prime is 10320345457. The next prime is 10320345461. The reversal of 10320345460 is 6454302301.

It can be written as a sum of positive squares in 2 ways, for example, as 8098920036 + 2221425424 = 89994^2 + 47132^2 .

It is a super-2 number, since 2×103203454602 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10320345461) 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 3 ways as a sum of consecutive naturals, for example, 258008617 + ... + 258008656.

It is an arithmetic number, because the mean of its divisors is an integer number (1806060459).

Almost surely, 210320345460 is an apocalyptic number.

10320345460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10320345460 is an abundant number, since it is smaller than the sum of its proper divisors (11352380048).

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

10320345460 is a wasteful number, since it uses less digits than its factorization.

10320345460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516017282 (or 516017280 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 10320345460 its reverse (6454302301), we get a palindrome (16774647761).

The spelling of 10320345460 in words is "ten billion, three hundred twenty million, three hundred forty-five thousand, four hundred sixty".

Divisors: 1 2 4 5 10 20 516017273 1032034546 2064069092 2580086365 5160172730 10320345460