| Base | Representation |
|---|---|
| bin | 1001100011111110000110… |
| … | …10011011100111011000000 |
| 3 | 2202110011201122112120001000 |
| 4 | 10301333003103130323000 |
| 5 | 10224002041220221430 |
| 6 | 112415422510412000 |
| 7 | 4300106112224211 |
| oct | 461770323347300 |
| 9 | 82404648476030 |
| 10 | 21027141570240 |
| 11 | 6777619270413 |
| 12 | 243724b201000 |
| 13 | b96b0a69a0c0 |
| 14 | 529a0d239408 |
| 15 | 266e6e2e8e60 |
| hex | 131fc34dcec0 |
21027141570240 has 448 divisors, whose sum is σ = 82044240808320. Its totient is φ = 5036021268480.
The previous prime is 21027141570199. The next prime is 21027141570329. The reversal of 21027141570240 is 4207514172012.
21027141570240 is a `hidden beast` number, since 2 + 1 + 0 + 2 + 7 + 1 + 41 + 570 + 2 + 40 = 666.
It is a super-2 number, since 2×210271415702402 (a number of 27 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 21027141570195 and 21027141570204.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1626010 + ... + 6685670.
It is an arithmetic number, because the mean of its divisors is an integer number (183134466090).
Almost surely, 221027141570240 is an apocalyptic number.
21027141570240 is a gapful number since it is divisible by the number (20) 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 21027141570240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41022120404160).
21027141570240 is an abundant number, since it is smaller than the sum of its proper divisors (61017099238080).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
21027141570240 is a wasteful number, since it uses less digits than its factorization.
21027141570240 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5059737 (or 5059721 counting only the distinct ones).
The product of its (nonzero) digits is 31360, while the sum is 36.
The spelling of 21027141570240 in words is "twenty-one trillion, twenty-seven billion, one hundred forty-one million, five hundred seventy thousand, two hundred forty".
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