Base | Representation |
---|---|
bin | 10011010010001100… |
… | …011101101110111110 |
3 | 1222110001122200010020 |
4 | 103102030131232332 |
5 | 314401311231222 |
6 | 13302400553010 |
7 | 1332060042234 |
oct | 232214355676 |
9 | 58401580106 |
10 | 20706352062 |
11 | 8866217860 |
12 | 401a622766 |
13 | 1c4cb2c336 |
14 | 1006034954 |
15 | 812c9565c |
hex | 4d231dbbe |
20706352062 has 16 divisors (see below), whose sum is σ = 45177495552. Its totient is φ = 6274652120.
The previous prime is 20706352061. The next prime is 20706352081. The reversal of 20706352062 is 26025360702.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20706352061) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156866238 + ... + 156866369.
It is an arithmetic number, because the mean of its divisors is an integer number (2823593472).
Almost surely, 220706352062 is an apocalyptic number.
20706352062 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
20706352062 is an abundant number, since it is smaller than the sum of its proper divisors (24471143490).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20706352062 is a wasteful number, since it uses less digits than its factorization.
20706352062 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 313732623.
The product of its (nonzero) digits is 30240, while the sum is 33.
The spelling of 20706352062 in words is "twenty billion, seven hundred six million, three hundred fifty-two thousand, sixty-two".
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