Base | Representation |
---|---|
bin | 10010010101000100… |
… | …010000001111101000 |
3 | 1212210120212200201220 |
4 | 102111010100033220 |
5 | 310301240230410 |
6 | 13012523342040 |
7 | 1264464643662 |
oct | 222504201750 |
9 | 55716780656 |
10 | 19680789480 |
11 | 838a324480 |
12 | 3993081920 |
13 | 1b18511b81 |
14 | d49b51532 |
15 | 7a2c15070 |
hex | 4951103e8 |
19680789480 has 64 divisors (see below), whose sum is σ = 64409860800. Its totient is φ = 4771100160.
The previous prime is 19680789439. The next prime is 19680789521. The reversal of 19680789480 is 8498708691.
It is an interprime number because it is at equal distance from previous prime (19680789439) and next prime (19680789521).
It is a Harshad number since it is a multiple of its sum of digits (60).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7453525 + ... + 7456164.
It is an arithmetic number, because the mean of its divisors is an integer number (1006404075).
Almost surely, 219680789480 is an apocalyptic number.
19680789480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
19680789480 is an abundant number, since it is smaller than the sum of its proper divisors (44729071320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19680789480 is a wasteful number, since it uses less digits than its factorization.
19680789480 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14909714 (or 14909710 counting only the distinct ones).
The product of its (nonzero) digits is 6967296, while the sum is 60.
The spelling of 19680789480 in words is "nineteen billion, six hundred eighty million, seven hundred eighty-nine thousand, four hundred eighty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •