Base | Representation |
---|---|
bin | 1001010111101011111110… |
… | …01111000101110101100010 |
3 | 2200221211100100021122212200 |
4 | 10223311333033011311202 |
5 | 10200043212223001120 |
6 | 111453503212234030 |
7 | 4224445256553054 |
oct | 453657717056542 |
9 | 80854310248780 |
10 | 20605092781410 |
11 | 6624630779695 |
12 | 23894a3a6b916 |
13 | b6608a086a67 |
14 | 513412a358d4 |
15 | 25aebbd85e90 |
hex | 12bd7f3c5d62 |
20605092781410 has 96 divisors (see below), whose sum is σ = 54673247184192. Its totient is φ = 5382776488320.
The previous prime is 20605092781381. The next prime is 20605092781583. The reversal of 20605092781410 is 1418729050602.
20605092781410 is a `hidden beast` number, since 2 + 0 + 6 + 0 + 509 + 27 + 81 + 41 + 0 = 666.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8348064 + ... + 10530923.
It is an arithmetic number, because the mean of its divisors is an integer number (569512991502).
Almost surely, 220605092781410 is an apocalyptic number.
20605092781410 is an abundant number, since it is smaller than the sum of its proper divisors (34068154402782).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20605092781410 is a wasteful number, since it uses less digits than its factorization.
20605092781410 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18879248 (or 18879245 counting only the distinct ones).
The product of its (nonzero) digits is 241920, while the sum is 45.
The spelling of 20605092781410 in words is "twenty trillion, six hundred five billion, ninety-two million, seven hundred eighty-one thousand, four hundred ten".
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