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228184297920 = 26325174660627
BaseRepresentation
bin1101010010000011011…
…0000001000111000000
3210210222120000100212100
43110200312001013000
512214310140013140
6252454301230400
722325422346535
oct3244066010700
9723876010770
10228184297920
11888550a63a7
1238282562400
1318696487137
14b089326d8c
155e07992530
hex3520d811c0

228184297920 has 168 divisors, whose sum is σ = 831027257424. Its totient is φ = 57269772288.

The previous prime is 228184297849. The next prime is 228184297931. The reversal of 228184297920 is 29792481822.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2281354 + ... + 2379273.

It is an arithmetic number, because the mean of its divisors is an integer number (4946590818).

Almost surely, 2228184297920 is an apocalyptic number.

228184297920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

228184297920 is an abundant number, since it is smaller than the sum of its proper divisors (602842959504).

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

228184297920 is a wasteful number, since it uses less digits than its factorization.

228184297920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4660667 (or 4660654 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 54.

The spelling of 228184297920 in words is "two hundred twenty-eight billion, one hundred eighty-four million, two hundred ninety-seven thousand, nine hundred twenty".