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9893369941 = 721315531193
BaseRepresentation
bin10010011011011000…
…01101100001010101
3221112111010021011221
421031230031201111
5130230200314231
64313413130341
7500111154100
oct111554154125
927474107157
109893369941
1142176052a4
121b013299b1
13c18894c70
1469bd27737
153cd848d11
hex24db0d855

9893369941 has 12 divisors (see below), whose sum is σ = 12393892812. Its totient is φ = 7827720768.

The previous prime is 9893369909. The next prime is 9893369957. The reversal of 9893369941 is 1499633989.

It can be written as a sum of positive squares in 2 ways, for example, as 4805401041 + 5087968900 = 69321^2 + 71330^2 .

It is not a de Polignac number, because 9893369941 - 25 = 9893369909 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9893369941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9893369041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7764960 + ... + 7766233.

It is an arithmetic number, because the mean of its divisors is an integer number (1032824401).

Almost surely, 29893369941 is an apocalyptic number.

9893369941 is a gapful number since it is divisible by the number (91) formed by its first and last digit.

It is an amenable number.

9893369941 is a deficient number, since it is larger than the sum of its proper divisors (2500522871).

9893369941 is a wasteful number, since it uses less digits than its factorization.

9893369941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15531220 (or 15531213 counting only the distinct ones).

The product of its digits is 11337408, while the sum is 61.

The square root of 9893369941 is about 99465.4208305580. The cubic root of 9893369941 is about 2146.7497267536.

The spelling of 9893369941 in words is "nine billion, eight hundred ninety-three million, three hundred sixty-nine thousand, nine hundred forty-one".

Divisors: 1 7 13 49 91 637 15531193 108718351 201905509 761028457 1413338563 9893369941