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48832886978 = 2531811254383
BaseRepresentation
bin101101011110101010…
…101011100011000010
311200001020200200112122
4231132222223203002
51300002204340403
634233350124242
73346060455611
oct553652534302
9150036620478
1048832886978
1119789989837
12956a050682
1347b30215c5
142513721878
15140c1a3838
hexb5eaab8c2

48832886978 has 16 divisors (see below), whose sum is σ = 74672896896. Its totient is φ = 23942433840.

The previous prime is 48832886959. The next prime is 48832886981. The reversal of 48832886978 is 87968823884.

It is a super-2 number, since 2×488328869782 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64775 + ... + 319157.

It is an arithmetic number, because the mean of its divisors is an integer number (4667056056).

Almost surely, 248832886978 is an apocalyptic number.

48832886978 is a deficient number, since it is larger than the sum of its proper divisors (25840009918).

48832886978 is a wasteful number, since it uses less digits than its factorization.

48832886978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256249.

The product of its digits is 297271296, while the sum is 71.

The spelling of 48832886978 in words is "forty-eight billion, eight hundred thirty-two million, eight hundred eighty-six thousand, nine hundred seventy-eight".

Divisors: 1 2 53 106 1811 3622 95983 191966 254383 508766 13482299 26964598 460687613 921375226 24416443489 48832886978