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488912726920 = 23512222818173
BaseRepresentation
bin1110001110101010111…
…10000010101110001000
31201201222011112212211211
413013111132002232020
531002243124230140
61012334200302504
750215466416132
oct7072536025610
91651864485754
10488912726920
1117938a5410a2
127a907a71a34
1337148117767
1419940916052
15cab75a52ea
hex71d5782b88

488912726920 has 16 divisors (see below), whose sum is σ = 1100053635660. Its totient is φ = 195565090752.

The previous prime is 488912726917. The next prime is 488912726993. The reversal of 488912726920 is 29627219884.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 488765977924 + 146748996 = 699118^2 + 12114^2 .

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 3 ways as a sum of consecutive naturals, for example, 6111409047 + ... + 6111409126.

Almost surely, 2488912726920 is an apocalyptic number.

488912726920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

488912726920 is an abundant number, since it is smaller than the sum of its proper divisors (611140908740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

488912726920 is a wasteful number, since it uses less digits than its factorization.

488912726920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12222818184 (or 12222818180 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 58.

The spelling of 488912726920 in words is "four hundred eighty-eight billion, nine hundred twelve million, seven hundred twenty-six thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 12222818173 24445636346 48891272692 61114090865 97782545384 122228181730 244456363460 488912726920