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22053311440 = 245909130323
BaseRepresentation
bin10100100010011110…
…101101001111010000
32002220221012022000121
4110202132231033100
5330131121431230
614044155000024
71410334024426
oct244236551720
962827168017
1022053311440
119397579326
124335739014
132105bc9714
1410d2c9b116
1589115e77a
hex5227ad3d0

22053311440 has 40 divisors (see below), whose sum is σ = 51281280288. Its totient is φ = 8820063360.

The previous prime is 22053311411. The next prime is 22053311453. The reversal of 22053311440 is 4411335022.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 712119 + ... + 742441.

Almost surely, 222053311440 is an apocalyptic number.

22053311440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22053311440 is an abundant number, since it is smaller than the sum of its proper divisors (29227968848).

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

22053311440 is a wasteful number, since it uses less digits than its factorization.

22053311440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39427 (or 39421 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 22053311440 its reverse (4411335022), we get a palindrome (26464646462).

The spelling of 22053311440 in words is "twenty-two billion, fifty-three million, three hundred eleven thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 9091 18182 30323 36364 45455 60646 72728 90910 121292 145456 151615 181820 242584 303230 363640 485168 606460 727280 1212920 2425840 275666393 551332786 1102665572 1378331965 2205331144 2756663930 4410662288 5513327860 11026655720 22053311440