| Base | Representation |
|---|---|
| bin | 11100010100001010001… |
| … | …001011101111011010000 |
| 3 | 20220000102110222211102000 |
| 4 | 130110022021131323100 |
| 5 | 223334434323022440 |
| 6 | 4045514521554000 |
| 7 | 260402333561043 |
| oct | 34241211357320 |
| 9 | 6800373884360 |
| 10 | 1945790439120 |
| 11 | 690228a81400 |
| 12 | 275135345900 |
| 13 | 11164464bc28 |
| 14 | 6a269058c5a |
| 15 | 35933cba730 |
| hex | 1c50a25ded0 |
1945790439120 has 1440 divisors, whose sum is σ = 7797860904960. Its totient is φ = 445471488000.
The previous prime is 1945790439037. The next prime is 1945790439127. The reversal of 1945790439120 is 219340975491.
1945790439120 is a `hidden beast` number, since 1 + 9 + 4 + 579 + 0 + 43 + 9 + 1 + 20 = 666.
It is a super-2 number, since 2×19457904391202 (a number of 25 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1945790439127) 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 287 ways as a sum of consecutive naturals, for example, 15321184497 + ... + 15321184623.
It is an arithmetic number, because the mean of its divisors is an integer number (5415181184).
Almost surely, 21945790439120 is an apocalyptic number.
1945790439120 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 1945790439120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3898930452480).
1945790439120 is an abundant number, since it is smaller than the sum of its proper divisors (5852070465840).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1945790439120 is a wasteful number, since it uses less digits than its factorization.
1945790439120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 294 (or 240 counting only the distinct ones).
The product of its (nonzero) digits is 2449440, while the sum is 54.
The spelling of 1945790439120 in words is "one trillion, nine hundred forty-five billion, seven hundred ninety million, four hundred thirty-nine thousand, one hundred twenty".
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