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989928576001 = 3131933179871
BaseRepresentation
bin11100110011111000101…
…01110101010000000001
310111122011211021002001101
432121330111311100001
5112204333203413001
62034433352534401
7131343232026601
oct16317425652001
93448154232041
10989928576001
1135190a967a92
1213ba310b1401
1372471861661
1435caca10c01
151ab3c49aa01
hexe67c575401

989928576001 has 4 divisors (see below), whose sum is σ = 1021861755904. Its totient is φ = 957995396100.

The previous prime is 989928575983. The next prime is 989928576037. The reversal of 989928576001 is 100675829989.

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 a cyclic number.

It is not a de Polignac number, because 989928576001 - 27 = 989928575873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (989928576061) 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, 15966589905 + ... + 15966589966.

It is an arithmetic number, because the mean of its divisors is an integer number (255465438976).

Almost surely, 2989928576001 is an apocalyptic number.

It is an amenable number.

989928576001 is a deficient number, since it is larger than the sum of its proper divisors (31933179903).

989928576001 is a wasteful number, since it uses less digits than its factorization.

989928576001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31933179902.

The product of its (nonzero) digits is 19595520, while the sum is 64.

The spelling of 989928576001 in words is "nine hundred eighty-nine billion, nine hundred twenty-eight million, five hundred seventy-six thousand, one".

Divisors: 1 31 31933179871 989928576001