Base | Representation |
---|---|
bin | 10011011011011000… |
… | …011011110111101101 |
3 | 1222211210200102220022 |
4 | 103123120123313231 |
5 | 320210241010401 |
6 | 13325544331525 |
7 | 1335641124551 |
oct | 233330336755 |
9 | 58753612808 |
10 | 20860485101 |
11 | 8935222235 |
12 | 4062173ba5 |
13 | 1c75a47511 |
14 | 101c6b7861 |
15 | 82158e71b |
hex | 4db61bded |
20860485101 has 2 divisors, whose sum is σ = 20860485102. Its totient is φ = 20860485100.
The previous prime is 20860485071. The next prime is 20860485131. The reversal of 20860485101 is 10158406802.
It is a balanced prime because it is at equal distance from previous prime (20860485071) and next prime (20860485131).
It can be written as a sum of positive squares in only one way, i.e., 12265341001 + 8595144100 = 110749^2 + 92710^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-20860485101 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (20860485131) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10430242550 + 10430242551.
It is an arithmetic number, because the mean of its divisors is an integer number (10430242551).
Almost surely, 220860485101 is an apocalyptic number.
It is an amenable number.
20860485101 is a deficient number, since it is larger than the sum of its proper divisors (1).
20860485101 is an equidigital number, since it uses as much as digits as its factorization.
20860485101 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 15360, while the sum is 35.
The spelling of 20860485101 in words is "twenty billion, eight hundred sixty million, four hundred eighty-five thousand, one hundred one".
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