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126147006720 = 2833571737829
BaseRepresentation
bin111010101111011110…
…0101001000100000000
3110001121101211220111000
41311132330221010000
54031322113203340
6133541240052000
712054016602540
oct1653674510400
9401541756430
10126147006720
1149553773269
1220546464000
13bb84874757
1461698a1320
15343497ad30
hex1d5ef29100

126147006720 has 1152 divisors, whose sum is σ = 557001446400. Its totient is φ = 26372210688.

The previous prime is 126147006697. The next prime is 126147006721. The reversal of 126147006720 is 27600741621.

126147006720 is a `hidden beast` number, since 12 + 614 + 7 + 0 + 0 + 6 + 7 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (1152).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (126147006721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 152167266 + ... + 152168094.

It is an arithmetic number, because the mean of its divisors is an integer number (483508200).

Almost surely, 2126147006720 is an apocalyptic number.

126147006720 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 126147006720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (278500723200).

126147006720 is an abundant number, since it is smaller than the sum of its proper divisors (430854439680).

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

126147006720 is a wasteful number, since it uses less digits than its factorization.

126147006720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 920 (or 900 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The spelling of 126147006720 in words is "one hundred twenty-six billion, one hundred forty-seven million, six thousand, seven hundred twenty".