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23420224223120 = 2452062371419497
BaseRepresentation
bin1010101001100111100100…
…01001010011011110010000
310001220221200200202010122102
411110303302021103132100
511032204104400114440
6121451034045055532
74635024663156434
oct524636211233620
9101827620663572
1023420224223120
11750a50901229a
122762bb58575a8
13100b6964155aa
145ad78b2c89c4
152a9331780b15
hex154cf2253790

23420224223120 has 40 divisors (see below), whose sum is σ = 54452323705464. Its totient is φ = 9368037665792.

The previous prime is 23420224223113. The next prime is 23420224223147. The reversal of 23420224223120 is 2132242202432.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 16986168759184 + 6434055463936 = 4121428^2 + 2536544^2 .

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

It is a super-2 number, since 2×234202242231202 (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15789212 + ... + 17208708.

Almost surely, 223420224223120 is an apocalyptic number.

23420224223120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23420224223120 is an abundant number, since it is smaller than the sum of its proper divisors (31032099482344).

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

23420224223120 is a wasteful number, since it uses less digits than its factorization.

23420224223120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1625747 (or 1625741 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 23420224223120 its reverse (2132242202432), we get a palindrome (25552466425552).

The spelling of 23420224223120 in words is "twenty-three trillion, four hundred twenty billion, two hundred twenty-four million, two hundred twenty-three thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 206237 412474 824948 1031185 1419497 1649896 2062370 2838994 3299792 4124740 5677988 7097485 8249480 11355976 14194970 16498960 22711952 28389940 56779880 113559760 292752802789 585505605578 1171011211156 1463764013945 2342022422312 2927528027890 4684044844624 5855056055780 11710112111560 23420224223120