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23212212013200 = 2435275352138841
BaseRepresentation
bin1010100011100100000111…
…01001101100100010010000
310001012001202222002000101110
411101302003221230202100
511020302102233410300
6121211313141333320
74614012152440020
oct521620351544220
9101161688060343
1023212212013200
11743a2755a4201
12272a822a07240
13cc4b96199902
145a3697081a80
152a3c09bed550
hex151c83a6c890

23212212013200 has 240 divisors, whose sum is σ = 86582178135936. Its totient is φ = 5205541785600.

The previous prime is 23212212013171. The next prime is 23212212013229. The reversal of 23212212013200 is 231021221232.

It is an interprime number because it is at equal distance from previous prime (23212212013171) and next prime (23212212013229).

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25624221 + ... + 26514620.

Almost surely, 223212212013200 is an apocalyptic number.

23212212013200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23212212013200 is an abundant number, since it is smaller than the sum of its proper divisors (63369966122736).

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

23212212013200 is a wasteful number, since it uses less digits than its factorization.

23212212013200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52138922 (or 52138911 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 23212212013200 its reverse (231021221232), we get a palindrome (23443233234432).

The spelling of 23212212013200 in words is "twenty-three trillion, two hundred twelve billion, two hundred twelve million, thirteen thousand, two hundred".