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144630772128 = 2534411399791
BaseRepresentation
bin1000011010110010101…
…0100111000110100000
3111211022120022110220000
42012230222213012200
54332200434202003
6150235323220000
713310041164453
oct2065452470640
9454276273800
10144630772128
1156379333847
1224044677600
131083c09484b
14700065949a
153b675421a3
hex21acaa71a0

144630772128 has 240 divisors, whose sum is σ = 438909166080. Its totient is φ = 46691251200.

The previous prime is 144630772073. The next prime is 144630772199. The reversal of 144630772128 is 821277036441.

144630772128 is a `hidden beast` number, since 1 + 4 + 4 + 630 + 7 + 7 + 2 + 1 + 2 + 8 = 666.

144630772128 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 14766913 + ... + 14776703.

It is an arithmetic number, because the mean of its divisors is an integer number (1828788192).

Almost surely, 2144630772128 is an apocalyptic number.

144630772128 is a gapful number since it is divisible by the number (18) 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 144630772128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (219454583040).

144630772128 is an abundant number, since it is smaller than the sum of its proper divisors (294278393952).

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

144630772128 is a wasteful number, since it uses less digits than its factorization.

144630772128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9993 (or 9976 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The spelling of 144630772128 in words is "one hundred forty-four billion, six hundred thirty million, seven hundred seventy-two thousand, one hundred twenty-eight".