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9808831043 = 11891711913
BaseRepresentation
bin10010010001010011…
…01110001001000011
3221022121001020121122
421020221232021003
5130042030043133
64301153142455
7465033455024
oct111051561103
927277036548
109808831043
114183913a40
121a98b5aa2b
13c0420594b
146909dcc4b
153c61ea498
hex248a6e243

9808831043 has 4 divisors (see below), whose sum is σ = 10700542968. Its totient is φ = 8917119120.

The previous prime is 9808831033. The next prime is 9808831079. The reversal of 9808831043 is 3401388089.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9808831043 - 216 = 9808765507 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9808830985 and 9808831003.

It is not an unprimeable number, because it can be changed into a prime (9808831013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 445855946 + ... + 445855967.

It is an arithmetic number, because the mean of its divisors is an integer number (2675135742).

Almost surely, 29808831043 is an apocalyptic number.

9808831043 is a deficient number, since it is larger than the sum of its proper divisors (891711925).

9808831043 is a wasteful number, since it uses less digits than its factorization.

9808831043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 891711924.

The product of its (nonzero) digits is 165888, while the sum is 44.

The square root of 9808831043 is about 99039.5428250757. The cubic root of 9808831043 is about 2140.6175644356.

The spelling of 9808831043 in words is "nine billion, eight hundred eight million, eight hundred thirty-one thousand, forty-three".

Divisors: 1 11 891711913 9808831043