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21422513301 = 37335957991
BaseRepresentation
bin10011111100111000…
…011001110010010101
32001021222020102122120
4103330320121302111
5322333130411201
613501422450153
71355604234000
oct237470316225
961258212576
1021422513301
1190a34a5352
12419a433959
132035309797
1410731b8537
15855aab536
hex4fce19c95

21422513301 has 32 divisors (see below), whose sum is σ = 33403392000. Its totient is φ = 12207126960.

The previous prime is 21422513291. The next prime is 21422513303. The reversal of 21422513301 is 10331522412.

It is not a de Polignac number, because 21422513301 - 213 = 21422505109 is a prime.

It is a super-2 number, since 2×214225133012 (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 (21422513303) 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 31 ways as a sum of consecutive naturals, for example, 340416 + ... + 398406.

It is an arithmetic number, because the mean of its divisors is an integer number (1043856000).

Almost surely, 221422513301 is an apocalyptic number.

21422513301 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

21422513301 is a deficient number, since it is larger than the sum of its proper divisors (11980878699).

21422513301 is an equidigital number, since it uses as much as digits as its factorization.

21422513301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58374 (or 58360 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The spelling of 21422513301 in words is "twenty-one billion, four hundred twenty-two million, five hundred thirteen thousand, three hundred one".

Divisors: 1 3 7 21 49 147 343 359 1029 1077 2513 7539 17591 52773 57991 123137 173973 369411 405937 1217811 2841559 8524677 19890913 20818769 59672739 62456307 145731383 437194149 1020119681 3060359043 7140837767 21422513301