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248317079890 = 25112257427999
BaseRepresentation
bin1110011101000011011…
…0011111000101010010
3212201221122101122201211
43213100312133011102
513032023133024030
6310024132450334
723640346232065
oct3472066370522
9781848348654
10248317079890
1196346577490
1240160a799aa
131a554512889
14c0390d48dc
1566d51db12a
hex39d0d9f152

248317079890 has 16 divisors (see below), whose sum is σ = 487604448000. Its totient is φ = 90297119920.

The previous prime is 248317079851. The next prime is 248317079897. The reversal of 248317079890 is 98970713842.

It is a super-2 number, since 2×2483170798902 (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (248317079897) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1128713890 + ... + 1128714109.

It is an arithmetic number, because the mean of its divisors is an integer number (30475278000).

Almost surely, 2248317079890 is an apocalyptic number.

248317079890 is a deficient number, since it is larger than the sum of its proper divisors (239287368110).

248317079890 is a wasteful number, since it uses less digits than its factorization.

248317079890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2257428017.

The product of its (nonzero) digits is 6096384, while the sum is 58.

The spelling of 248317079890 in words is "two hundred forty-eight billion, three hundred seventeen million, seventy-nine thousand, eight hundred ninety".

Divisors: 1 2 5 10 11 22 55 110 2257427999 4514855998 11287139995 22574279990 24831707989 49663415978 124158539945 248317079890