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9886497890 = 256714755967
BaseRepresentation
bin10010011010100011…
…11111110001100010
3221112000012010111112
421031101333301202
5130221420413030
64313005543322
7466665563003
oct111521776142
927460163445
109886497890
114213741215
121abab74b42
13c1732a069
1469b0591aa
153cce3ca95
hex24d47fc62

9886497890 has 16 divisors (see below), whose sum is σ = 18061304832. Its totient is φ = 3895575024.

The previous prime is 9886497889. The next prime is 9886497913. The reversal of 9886497890 is 987946889.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 9886497890.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7377314 + ... + 7378653.

It is an arithmetic number, because the mean of its divisors is an integer number (1128831552).

Almost surely, 29886497890 is an apocalyptic number.

9886497890 is a deficient number, since it is larger than the sum of its proper divisors (8174806942).

9886497890 is a wasteful number, since it uses less digits than its factorization.

9886497890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14756041.

The product of its (nonzero) digits is 62705664, while the sum is 68.

The square root of 9886497890 is about 99430.8699046730. The cubic root of 9886497890 is about 2146.2525590954.

The spelling of 9886497890 in words is "nine billion, eight hundred eighty-six million, four hundred ninety-seven thousand, eight hundred ninety".

Divisors: 1 2 5 10 67 134 335 670 14755967 29511934 73779835 147559670 988649789 1977299578 4943248945 9886497890