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228153422112 = 253721121721973
BaseRepresentation
bin1101010001111100000…
…0001111000100100000
3210210220101220201012220
43110133000033010200
512214224234001422
6252451235351040
722324566042600
oct3243700170440
9723811821186
10228153422112
1188839727a00
1238274152480
131868cc66625
14b0851aac00
155e04de3e5c
hex351f00f120

228153422112 has 1296 divisors, whose sum is σ = 868014796320. Its totient is φ = 52115374080.

The previous prime is 228153422083. The next prime is 228153422117. The reversal of 228153422112 is 211224351822.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (228153422117) by changing a digit.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 3125389308 + ... + 3125389380.

Almost surely, 2228153422112 is an apocalyptic number.

228153422112 is a gapful number since it is divisible by the number (22) 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 228153422112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (434007398160).

228153422112 is an abundant number, since it is smaller than the sum of its proper divisors (639861374208).

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

228153422112 is a wasteful number, since it uses less digits than its factorization.

228153422112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175 (or 132 counting only the distinct ones).

The product of its digits is 15360, while the sum is 33.

Adding to 228153422112 its reverse (211224351822), we get a palindrome (439377773934).

The spelling of 228153422112 in words is "two hundred twenty-eight billion, one hundred fifty-three million, four hundred twenty-two thousand, one hundred twelve".