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4878194840 = 235121954871
BaseRepresentation
bin1001000101100001…
…10101100010011000
3110120222011222021222
410202300311202120
534442304213330
62124020351212
7231612654251
oct44260654230
913528158258
104878194840
112083682a92
12b41845508
135c985212c
14343c35b28
151d83e60e5
hex122c35898

4878194840 has 16 divisors (see below), whose sum is σ = 10975938480. Its totient is φ = 1951277920.

The previous prime is 4878194833. The next prime is 4878194927. The reversal of 4878194840 is 484918784.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 60977396 + ... + 60977475.

It is an arithmetic number, because the mean of its divisors is an integer number (685996155).

Almost surely, 24878194840 is an apocalyptic number.

4878194840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4878194840 is an abundant number, since it is smaller than the sum of its proper divisors (6097743640).

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

4878194840 is a wasteful number, since it uses less digits than its factorization.

4878194840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121954882 (or 121954878 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 53.

The square root of 4878194840 is about 69844.0751961109. The cubic root of 4878194840 is about 1695.9760467054.

The spelling of 4878194840 in words is "four billion, eight hundred seventy-eight million, one hundred ninety-four thousand, eight hundred forty".

Divisors: 1 2 4 5 8 10 20 40 121954871 243909742 487819484 609774355 975638968 1219548710 2439097420 4878194840