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4480913680 = 24556011421
BaseRepresentation
bin1000010110001010…
…10101000100010000
3102120021121222222221
410023011111010100
533134103214210
62020345310424
7216020065165
oct41305250420
912507558887
104480913680
11199a3a4851
12a50795414
13565453219
1430717c06c
151b35bd1da
hex10b155110

4480913680 has 20 divisors (see below), whose sum is σ = 10418124492. Its totient is φ = 1792365440.

The previous prime is 4480913677. The next prime is 4480913707. The reversal of 4480913680 is 863190844.

It can be written as a sum of positive squares in 2 ways, for example, as 1396666384 + 3084247296 = 37372^2 + 55536^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×44809136802 = 40157174815222284800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28005631 + ... + 28005790.

Almost surely, 24480913680 is an apocalyptic number.

4480913680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4480913680 is an abundant number, since it is smaller than the sum of its proper divisors (5937210812).

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

4480913680 is a wasteful number, since it uses less digits than its factorization.

4480913680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56011434 (or 56011428 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 43.

The square root of 4480913680 is about 66939.6271277335. The cubic root of 4480913680 is about 1648.6261818280.

The spelling of 4480913680 in words is "four billion, four hundred eighty million, nine hundred thirteen thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 56011421 112022842 224045684 280057105 448091368 560114210 896182736 1120228420 2240456840 4480913680