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20048128316832 = 253711173118128433
BaseRepresentation
bin1001000111011110100011…
…00100010001010110100000
32121222120201112101022122210
410203233101210101112200
510111432031322114312
6110345552155002120
74136300210663250
oct443572144212640
977876645338583
1020048128316832
11642a3aa8658a0
1222b9565739340
13b256b8355a15
144d4498175960
1524b770262e3c
hex123bd19115a0

20048128316832 has 768 divisors, whose sum is σ = 72111346384896. Its totient is φ = 4716527616000.

The previous prime is 20048128316831. The next prime is 20048128316893. The reversal of 20048128316832 is 23861382184002.

It is a super-2 number, since 2×200481283168322 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (20048128316831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 705086488 + ... + 705114920.

It is an arithmetic number, because the mean of its divisors is an integer number (93894982272).

Almost surely, 220048128316832 is an apocalyptic number.

20048128316832 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 20048128316832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36055673192448).

20048128316832 is an abundant number, since it is smaller than the sum of its proper divisors (52063218068064).

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

20048128316832 is a wasteful number, since it uses less digits than its factorization.

20048128316832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28693 (or 28685 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 48.

The spelling of 20048128316832 in words is "twenty trillion, forty-eight billion, one hundred twenty-eight million, three hundred sixteen thousand, eight hundred thirty-two".