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48877251680 = 255305482823
BaseRepresentation
bin101101100001010011…
…111010110001100000
311200011100011122110202
4231201103322301200
51300100034023210
634242013044332
73350136533015
oct554123726140
9150140148422
1048877251680
1119801a30684
129580a866a8
1347bc2859ca
14251958d70c
1514110189a5
hexb614fac60

48877251680 has 24 divisors (see below), whose sum is σ = 115472507472. Its totient is φ = 19550900608.

The previous prime is 48877251671. The next prime is 48877251697. The reversal of 48877251680 is 8615277884.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152741252 + ... + 152741571.

It is an arithmetic number, because the mean of its divisors is an integer number (4811354478).

Almost surely, 248877251680 is an apocalyptic number.

48877251680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

48877251680 is an abundant number, since it is smaller than the sum of its proper divisors (66595255792).

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

48877251680 is a wasteful number, since it uses less digits than its factorization.

48877251680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305482838 (or 305482830 counting only the distinct ones).

The product of its (nonzero) digits is 6021120, while the sum is 56.

The spelling of 48877251680 in words is "forty-eight billion, eight hundred seventy-seven million, two hundred fifty-one thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 305482823 610965646 1221931292 1527414115 2443862584 3054828230 4887725168 6109656460 9775450336 12219312920 24438625840 48877251680