Base | Representation |
---|---|
bin | 10011001001001001… |
… | …101100011000101110 |
3 | 1222001111011102112121 |
4 | 103021021230120232 |
5 | 314043441140302 |
6 | 13235341023154 |
7 | 1325235323014 |
oct | 231111543056 |
9 | 58044142477 |
10 | 20554630702 |
11 | 879860a301 |
12 | 3b97854aba |
13 | 1c27579a98 |
14 | dcdc1c8b4 |
15 | 8047c5e37 |
hex | 4c926c62e |
20554630702 has 4 divisors (see below), whose sum is σ = 30831946056. Its totient is φ = 10277315350.
The previous prime is 20554630697. The next prime is 20554630703. The reversal of 20554630702 is 20703645502.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20703645502 = 2 ⋅10351822751.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20554630703) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5138657674 + ... + 5138657677.
It is an arithmetic number, because the mean of its divisors is an integer number (7707986514).
Almost surely, 220554630702 is an apocalyptic number.
20554630702 is a deficient number, since it is larger than the sum of its proper divisors (10277315354).
20554630702 is a wasteful number, since it uses less digits than its factorization.
20554630702 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10277315353.
The product of its (nonzero) digits is 50400, while the sum is 34.
The spelling of 20554630702 in words is "twenty billion, five hundred fifty-four million, six hundred thirty thousand, seven hundred two".
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