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1322420300420 = 225152694330409
BaseRepresentation
bin10011001111100110011…
…001000110101010000100
311200102101202002201111012
4103033212121012222010
5133131304044103140
62451302252301352
7164353544041622
oct23174631065204
94612352081435
101322420300420
1146a92086979a
12194363a71858
139791c047aab
1448011096512
15245ec3c7265
hex133e6646a84

1322420300420 has 24 divisors (see below), whose sum is σ = 2777265149400. Its totient is φ = 528933354752.

The previous prime is 1322420300407. The next prime is 1322420300447. The reversal of 1322420300420 is 240030242231.

It can be written as a sum of positive squares in 4 ways, for example, as 333871329856 + 988548970564 = 577816^2 + 994258^2 .

It is an unprimeable number.

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, 1859825 + ... + 2470584.

It is an arithmetic number, because the mean of its divisors is an integer number (115719381225).

Almost surely, 21322420300420 is an apocalyptic number.

1322420300420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1322420300420 is an abundant number, since it is smaller than the sum of its proper divisors (1454844848980).

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

1322420300420 is a wasteful number, since it uses less digits than its factorization.

1322420300420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4345687 (or 4345685 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 1322420300420 its reverse (240030242231), we get a palindrome (1562450542651).

The spelling of 1322420300420 in words is "one trillion, three hundred twenty-two billion, four hundred twenty million, three hundred thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 15269 30538 61076 76345 152690 305380 4330409 8660818 17321636 21652045 43304090 86608180 66121015021 132242030042 264484060084 330605075105 661210150210 1322420300420