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9820837243 = 74093430261
BaseRepresentation
bin10010010010101111…
…00001010101111011
3221100102122020000201
421021113201111323
5130103113242433
64302302343031
7465240511360
oct111127412573
927312566021
109820837243
11418a674418
121aa0b8aa77
13c0684a6c9
14692446467
153c72bca7d
hex2495e157b

9820837243 has 8 divisors (see below), whose sum is σ = 11251259360. Its totient is φ = 8397276480.

The previous prime is 9820837237. The next prime is 9820837283. The reversal of 9820837243 is 3427380289.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9820837243 - 217 = 9820706171 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9820837193 and 9820837202.

It is not an unprimeable number, because it can be changed into a prime (9820837283) 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, 1712268 + ... + 1717993.

It is an arithmetic number, because the mean of its divisors is an integer number (1406407420).

Almost surely, 29820837243 is an apocalyptic number.

9820837243 is a deficient number, since it is larger than the sum of its proper divisors (1430422117).

9820837243 is a wasteful number, since it uses less digits than its factorization.

9820837243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3430677.

The product of its (nonzero) digits is 580608, while the sum is 46.

The square root of 9820837243 is about 99100.1374519733. The cubic root of 9820837243 is about 2141.4905941768.

The spelling of 9820837243 in words is "nine billion, eight hundred twenty million, eight hundred thirty-seven thousand, two hundred forty-three".

Divisors: 1 7 409 2863 3430261 24011827 1402976749 9820837243