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144238220000 = 255471516823
BaseRepresentation
bin1000011001010101000…
…1001001001011100000
3111210022012122202121022
42012111101021023200
54330344441020000
6150132341345012
713264233432560
oct2062521111340
9453265582538
10144238220000
11561977955a6
1223b55108168
13107a8960294
146da4472da0
153b42d50585
hex21954492e0

144238220000 has 240 divisors, whose sum is σ = 408285706752. Its totient is φ = 49118400000.

The previous prime is 144238219943. The next prime is 144238220003. The reversal of 144238220000 is 22832441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144238220003) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 21136589 + ... + 21143411.

Almost surely, 2144238220000 is an apocalyptic number.

144238220000 is a gapful number since it is divisible by the number (10) 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 144238220000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204142853376).

144238220000 is an abundant number, since it is smaller than the sum of its proper divisors (264047486752).

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

144238220000 is an equidigital number, since it uses as much as digits as its factorization.

144238220000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7011 (or 6988 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

The spelling of 144238220000 in words is "one hundred forty-four billion, two hundred thirty-eight million, two hundred twenty thousand".