Base | Representation |
---|---|
bin | 11011101111111100001011… |
… | …01000111000011010000001 |
3 | 22000001112110102120122122220 |
4 | 31313332011220320122001 |
5 | 30444231141132221201 |
6 | 333440331003121253 |
7 | 15565416234612336 |
oct | 1567760550703201 |
9 | 260045412518586 |
10 | 61020842460801 |
11 | 18496880839313 |
12 | 6a162b8813229 |
13 | 2808318c20472 |
14 | 110d5d2cc498d |
15 | 70c45aee8036 |
hex | 377f85a38681 |
61020842460801 has 16 divisors (see below), whose sum is σ = 81655825199040. Its totient is φ = 40533357965760.
The previous prime is 61020842460719. The next prime is 61020842460817. The reversal of 61020842460801 is 10806424802016.
It is not a de Polignac number, because 61020842460801 - 27 = 61020842460673 is a prime.
It is not an unprimeable number, because it can be changed into a prime (61020842460821) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16752210 + ... + 20066843.
It is an arithmetic number, because the mean of its divisors is an integer number (5103489074940).
Almost surely, 261020842460801 is an apocalyptic number.
It is an amenable number.
61020842460801 is a deficient number, since it is larger than the sum of its proper divisors (20634982738239).
61020842460801 is a wasteful number, since it uses less digits than its factorization.
61020842460801 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36821056.
The product of its (nonzero) digits is 147456, while the sum is 42.
The spelling of 61020842460801 in words is "sixty-one trillion, twenty billion, eight hundred forty-two million, four hundred sixty thousand, eight hundred one".
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