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9926048881 = 71418006983
BaseRepresentation
bin10010011111010001…
…10111110001110001
3221121202121112021001
421033220313301301
5130312032031011
64320541402001
7500656011010
oct111750676161
927552545231
109926048881
114233aa5491
121b10269301
13c22597408
146a23d2a77
153d16517c1
hex24fa37c71

9926048881 has 4 divisors (see below), whose sum is σ = 11344055872. Its totient is φ = 8508041892.

The previous prime is 9926048879. The next prime is 9926048911. The reversal of 9926048881 is 1888406299.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 9926048881 - 21 = 9926048879 is a prime.

It is a super-2 number, since 2×99260488812 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9926048831) 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 3 ways as a sum of consecutive naturals, for example, 709003485 + ... + 709003498.

It is an arithmetic number, because the mean of its divisors is an integer number (2836013968).

Almost surely, 29926048881 is an apocalyptic number.

It is an amenable number.

9926048881 is a deficient number, since it is larger than the sum of its proper divisors (1418006991).

9926048881 is a wasteful number, since it uses less digits than its factorization.

9926048881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1418006990.

The product of its (nonzero) digits is 1990656, while the sum is 55.

The square root of 9926048881 is about 99629.5582696220. The cubic root of 9926048881 is about 2149.1107828839.

The spelling of 9926048881 in words is "nine billion, nine hundred twenty-six million, forty-eight thousand, eight hundred eighty-one".

Divisors: 1 7 1418006983 9926048881