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23020305302400 = 2735271237927673
BaseRepresentation
bin1010011101111110101010…
…00111101100001110000000
310000111201102122202000111220
411032333111013230032000
511004131041124134100
6120543214322435040
74564106424345240
oct516772507541600
9100451378660456
1023020305302400
117375947228a6a
1226b95a5802a80
13caca61824973
1459828dbcdb20
1529dc27050aa0
hex14efd51ec380

23020305302400 has 384 divisors, whose sum is σ = 86665138195200. Its totient is φ = 5261168885760.

The previous prime is 23020305302389. The next prime is 23020305302441. The reversal of 23020305302400 is 420350302032.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 831854964 + ... + 831882636.

It is an arithmetic number, because the mean of its divisors is an integer number (225690464050).

Almost surely, 223020305302400 is an apocalyptic number.

23020305302400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23020305302400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43332569097600).

23020305302400 is an abundant number, since it is smaller than the sum of its proper divisors (63644832892800).

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

23020305302400 is a wasteful number, since it uses less digits than its factorization.

23020305302400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40086 (or 40069 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 24.

Adding to 23020305302400 its reverse (420350302032), we get a palindrome (23440655604432).

The spelling of 23020305302400 in words is "twenty-three trillion, twenty billion, three hundred five million, three hundred two thousand, four hundred".