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48504906880 = 27575788917
BaseRepresentation
bin101101001011000111…
…100010010010000000
311122012101112120102121
4231023013202102000
51243314224010010
634141032254024
73334665622453
oct551307422200
9148171476377
1048504906880
1119630834501
129498241314
1347600a8041
1424c1d4749a
1513dd4b93da
hexb4b1e2480

48504906880 has 32 divisors (see below), whose sum is σ = 115957044540. Its totient is φ = 19401962496.

The previous prime is 48504906871. The next prime is 48504906881. The reversal of 48504906880 is 8860940584.

It can be written as a sum of positive squares in 2 ways, for example, as 47172364864 + 1332542016 = 217192^2 + 36504^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (48504906881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37893819 + ... + 37895098.

Almost surely, 248504906880 is an apocalyptic number.

48504906880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

48504906880 is an abundant number, since it is smaller than the sum of its proper divisors (67452137660).

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

48504906880 is an equidigital number, since it uses as much as digits as its factorization.

48504906880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75788936 (or 75788924 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 52.

The spelling of 48504906880 in words is "forty-eight billion, five hundred four million, nine hundred six thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 320 640 75788917 151577834 303155668 378944585 606311336 757889170 1212622672 1515778340 2425245344 3031556680 4850490688 6063113360 9700981376 12126226720 24252453440 48504906880