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488080528840 = 23512202013221
BaseRepresentation
bin1110001101000111101…
…11011101010111001000
31201122211011121211200201
413012203313131113020
530444042103410330
61012115431341544
750156043020512
oct7064367352710
91648734554621
10488080528840
11178aa2809393
127a7152218b4
13370448a0268
14198a21a8bb2
15ca694bceca
hex71a3ddd5c8

488080528840 has 16 divisors (see below), whose sum is σ = 1098181189980. Its totient is φ = 195232211520.

The previous prime is 488080528807. The next prime is 488080528843. The reversal of 488080528840 is 48825080884.

It can be written as a sum of positive squares in 2 ways, for example, as 449787518244 + 38293010596 = 670662^2 + 195686^2 .

It is not an unprimeable number, because it can be changed into a prime (488080528843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6101006571 + ... + 6101006650.

Almost surely, 2488080528840 is an apocalyptic number.

488080528840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

488080528840 is an abundant number, since it is smaller than the sum of its proper divisors (610100661140).

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

488080528840 is a wasteful number, since it uses less digits than its factorization.

488080528840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12202013232 (or 12202013228 counting only the distinct ones).

The product of its (nonzero) digits is 5242880, while the sum is 55.

The spelling of 488080528840 in words is "four hundred eighty-eight billion, eighty million, five hundred twenty-eight thousand, eight hundred forty".

Divisors: 1 2 4 5 8 10 20 40 12202013221 24404026442 48808052884 61010066105 97616105768 122020132210 244040264420 488080528840