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4878640908 = 2233183124671
BaseRepresentation
bin1001000101100101…
…00010011100001100
3110121000000122012000
410202302202130030
534442413002113
62124034112300
7231616522611
oct44262423414
913530018160
104878640908
112083958139
12b41a1b690
135c997a18b
14343d10508
151d8483373
hex122ca270c

4878640908 has 48 divisors (see below), whose sum is σ = 12655749120. Its totient is φ = 1625259600.

The previous prime is 4878640901. The next prime is 4878640919. The reversal of 4878640908 is 8090468784.

It is a super-2 number, since 2×48786409082 = 47602274218422128928, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (4878640901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185413 + ... + 210083.

It is an arithmetic number, because the mean of its divisors is an integer number (263661440).

Almost surely, 24878640908 is an apocalyptic number.

It is an amenable number.

4878640908 is an abundant number, since it is smaller than the sum of its proper divisors (7777108212).

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

4878640908 is a wasteful number, since it uses less digits than its factorization.

4878640908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26515 (or 26507 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 54.

The square root of 4878640908 is about 69847.2684362102. The cubic root of 4878640908 is about 1696.0277391593.

The spelling of 4878640908 in words is "four billion, eight hundred seventy-eight million, six hundred forty thousand, nine hundred eight".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 1831 3662 5493 7324 10986 16479 21972 24671 32958 49342 49437 65916 74013 98684 98874 148026 197748 222039 296052 444078 666117 888156 1332234 2664468 45172601 90345202 135517803 180690404 271035606 406553409 542071212 813106818 1219660227 1626213636 2439320454 4878640908