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4987540788 = 223415628399
BaseRepresentation
bin1001010010100011…
…11101010100110100
3110212120221022201220
410221101331110310
540203302301123
62142524150340
7234411253146
oct45121752464
913776838656
104987540788
11212a37823a
12b723983b0
136163b8889
1435457ac96
151e2ce4ce3
hex12947d534

4987540788 has 12 divisors (see below), whose sum is σ = 11637595200. Its totient is φ = 1662513592.

The previous prime is 4987540771. The next prime is 4987540807. The reversal of 4987540788 is 8870457894.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×49875407882 = 49751126223927321888, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207814188 + ... + 207814211.

It is an arithmetic number, because the mean of its divisors is an integer number (969799600).

Almost surely, 24987540788 is an apocalyptic number.

It is an amenable number.

4987540788 is an abundant number, since it is smaller than the sum of its proper divisors (6650054412).

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

4987540788 is a wasteful number, since it uses less digits than its factorization.

4987540788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415628406 (or 415628404 counting only the distinct ones).

The product of its (nonzero) digits is 18063360, while the sum is 60.

The square root of 4987540788 is about 70622.5232344470. The cubic root of 4987540788 is about 1708.5544351055.

The spelling of 4987540788 in words is "four billion, nine hundred eighty-seven million, five hundred forty thousand, seven hundred eighty-eight".

Divisors: 1 2 3 4 6 12 415628399 831256798 1246885197 1662513596 2493770394 4987540788