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992122001 = 13263439661
BaseRepresentation
bin111011001000101…
…001010010010001
32120010212000112022
4323020221102101
54012440401001
6242240341225
733404616653
oct7310512221
92503760468
10992122001
1146a032a42
12238314815
1312a70c450
1495a9a6d3
155c17711b
hex3b229491

992122001 has 16 divisors (see below), whose sum is σ = 1076570880. Its totient is φ = 908867520.

The previous prime is 992121971. The next prime is 992122003. The reversal of 992122001 is 100221299.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 992122001 - 26 = 992121937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (992122003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1500611 + ... + 1501271.

It is an arithmetic number, because the mean of its divisors is an integer number (67285680).

Almost surely, 2992122001 is an apocalyptic number.

It is an amenable number.

992122001 is a deficient number, since it is larger than the sum of its proper divisors (84448879).

992122001 is a wasteful number, since it uses less digits than its factorization.

992122001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1376.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 992122001 is about 31497.9682043144. The cubic root of 992122001 is about 997.3670741187.

The spelling of 992122001 in words is "nine hundred ninety-two million, one hundred twenty-two thousand, one".

Divisors: 1 13 263 439 661 3419 5707 8593 115457 173843 290179 1500941 2259959 3772327 76317077 992122001