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2488319980 = 225643193493
BaseRepresentation
bin1001010001010000…
…1011111111101100
320102102012202022021
42110110023333230
520044002214410
61050525155524
7115443241126
oct22424137754
96372182267
102488319980
1110676566a3
125953bbba4
1330869ccb3
14198690216
15e86beeda
hex9450bfec

2488319980 has 24 divisors (see below), whose sum is σ = 5233625712. Its totient is φ = 993774912.

The previous prime is 2488319947. The next prime is 2488319983. The reversal of 2488319980 is 899138842.

It is not an unprimeable number, because it can be changed into a prime (2488319983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83887 + ... + 109606.

It is an arithmetic number, because the mean of its divisors is an integer number (218067738).

Almost surely, 22488319980 is an apocalyptic number.

2488319980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2488319980 is an abundant number, since it is smaller than the sum of its proper divisors (2745305732).

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

2488319980 is a wasteful number, since it uses less digits than its factorization.

2488319980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194145 (or 194143 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 52.

The square root of 2488319980 is about 49883.0630575148. The cubic root of 2488319980 is about 1355.0918779581.

The spelling of 2488319980 in words is "two billion, four hundred eighty-eight million, three hundred nineteen thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 643 1286 2572 3215 6430 12860 193493 386986 773972 967465 1934930 3869860 124415999 248831998 497663996 622079995 1244159990 2488319980