Base | Representation |
---|---|
bin | 10010101000011111… |
… | …001100110101011110 |
3 | 1220122021222121212211 |
4 | 102220133030311132 |
5 | 311433143324020 |
6 | 13105123151034 |
7 | 1305532316452 |
oct | 225037146536 |
9 | 56567877784 |
10 | 20006620510 |
11 | 8537241118 |
12 | 3a6421547a |
13 | 1b6ab851b6 |
14 | d7b12a662 |
15 | 7c162785a |
hex | 4a87ccd5e |
20006620510 has 32 divisors (see below), whose sum is σ = 38164763520. Its totient is φ = 7525089792.
The previous prime is 20006620499. The next prime is 20006620531. The reversal of 20006620510 is 1502660002.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137211 + ... + 242569.
It is an arithmetic number, because the mean of its divisors is an integer number (1192648860).
Almost surely, 220006620510 is an apocalyptic number.
20006620510 is a deficient number, since it is larger than the sum of its proper divisors (18158143010).
20006620510 is a wasteful number, since it uses less digits than its factorization.
20006620510 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 106500.
The product of its (nonzero) digits is 720, while the sum is 22.
The spelling of 20006620510 in words is "twenty billion, six million, six hundred twenty thousand, five hundred ten".
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