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10304422420 = 225515221121
BaseRepresentation
bin10011001100011000…
…10000001000010100
3222121010120220011211
421212030100020110
5132100413004140
64422255311204
7513232100605
oct114614201024
928533526154
1010304422420
11440863a096
121bb6b1b504
13c82aa6196
146da767dac
154049922ea
hex266310214

10304422420 has 12 divisors (see below), whose sum is σ = 21639287124. Its totient is φ = 4121768960.

The previous prime is 10304422417. The next prime is 10304422439. The reversal of 10304422420 is 2422440301.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1185700356 + 9118722064 = 34434^2 + 95492^2 .

It is a super-2 number, since 2×103044224202 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10304422391 and 10304422400.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 257610541 + ... + 257610580.

It is an arithmetic number, because the mean of its divisors is an integer number (1803273927).

Almost surely, 210304422420 is an apocalyptic number.

10304422420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10304422420 is an abundant number, since it is smaller than the sum of its proper divisors (11334864704).

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

10304422420 is a wasteful number, since it uses less digits than its factorization.

10304422420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515221130 (or 515221128 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 10304422420 its reverse (2422440301), we get a palindrome (12726862721).

The spelling of 10304422420 in words is "ten billion, three hundred four million, four hundred twenty-two thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 515221121 1030442242 2060884484 2576105605 5152211210 10304422420