Base | Representation |
---|---|
bin | 1001010110011000110101… |
… | …11011010111001101110000 |
3 | 2200210120010211020101011010 |
4 | 10223030122323113031300 |
5 | 10143330310303341102 |
6 | 111421202305350520 |
7 | 4221305241162144 |
oct | 453143273271560 |
9 | 80716124211133 |
10 | 20560460215152 |
11 | 6607707865aa0 |
12 | 2380908638440 |
13 | b61ac6324140 |
14 | 5111bb0d1224 |
15 | 259c58826d6c |
hex | 12b31aed7370 |
20560460215152 has 320 divisors, whose sum is σ = 66797824665600. Its totient is φ = 5356134927360.
The previous prime is 20560460215091. The next prime is 20560460215157. The reversal of 20560460215152 is 25151206406502.
It is a super-2 number, since 2×205604602151522 (a number of 27 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is a self number, because there is not a number n which added to its sum of digits gives 20560460215152.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20560460215157) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6358503 + ... + 9030585.
It is an arithmetic number, because the mean of its divisors is an integer number (208743202080).
Almost surely, 220560460215152 is an apocalyptic number.
20560460215152 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 20560460215152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33398912332800).
20560460215152 is an abundant number, since it is smaller than the sum of its proper divisors (46237364450448).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20560460215152 is a wasteful number, since it uses less digits than its factorization.
20560460215152 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2672196 (or 2672190 counting only the distinct ones).
The product of its (nonzero) digits is 144000, while the sum is 39.
The spelling of 20560460215152 in words is "twenty trillion, five hundred sixty billion, four hundred sixty million, two hundred fifteen thousand, one hundred fifty-two".
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