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4887385855 = 51188861561
BaseRepresentation
bin1001000110100111…
…11001011011111111
3110121121110220222221
410203103321123333
540002132321410
62124545350211
7232054044232
oct44323713377
913547426887
104887385855
112088890370
12b44938367
135cb71c6c1
14345149419
151d910e4da
hex1234f96ff

4887385855 has 8 divisors (see below), whose sum is σ = 6398032464. Its totient is φ = 3554462400.

The previous prime is 4887385847. The next prime is 4887385889. The reversal of 4887385855 is 5585837884.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4887385855 - 23 = 4887385847 is a prime.

It is a super-3 number, since 3×48873858553 (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4887385793 and 4887385802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44430726 + ... + 44430835.

It is an arithmetic number, because the mean of its divisors is an integer number (799754058).

Almost surely, 24887385855 is an apocalyptic number.

4887385855 is a deficient number, since it is larger than the sum of its proper divisors (1510646609).

4887385855 is a wasteful number, since it uses less digits than its factorization.

4887385855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88861577.

The product of its digits is 43008000, while the sum is 61.

The square root of 4887385855 is about 69909.8409024080. The cubic root of 4887385855 is about 1697.0405088955.

The spelling of 4887385855 in words is "four billion, eight hundred eighty-seven million, three hundred eighty-five thousand, eight hundred fifty-five".

Divisors: 1 5 11 55 88861561 444307805 977477171 4887385855