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56896117890 = 2351896537263
BaseRepresentation
bin110100111111010001…
…011101110010000010
312102212012002020221120
4310333101131302002
51413010401233030
642045425133110
74052640010503
oct647721356202
9172765066846
1056896117890
1122147414537
12b03a48a196
1354996a3161
142a7a568baa
15172eede010
hexd3f45dc82

56896117890 has 16 divisors (see below), whose sum is σ = 136550683008. Its totient is φ = 15172298096.

The previous prime is 56896117867. The next prime is 56896117891. The reversal of 56896117890 is 9871169865.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (56896117891) by changing a digit.

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, 948268602 + ... + 948268661.

It is an arithmetic number, because the mean of its divisors is an integer number (8534417688).

Almost surely, 256896117890 is an apocalyptic number.

56896117890 is an abundant number, since it is smaller than the sum of its proper divisors (79654565118).

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

56896117890 is a wasteful number, since it uses less digits than its factorization.

56896117890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1896537273.

The product of its (nonzero) digits is 6531840, while the sum is 60.

The spelling of 56896117890 in words is "fifty-six billion, eight hundred ninety-six million, one hundred seventeen thousand, eight hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 1896537263 3793074526 5689611789 9482686315 11379223578 18965372630 28448058945 56896117890