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990698016 = 253711223601
BaseRepresentation
bin111011000011001…
…101101000100000
32120001011200012010
4323003031220200
54012104314031
6242150032520
733356536260
oct7303155040
92501150163
10990698016
114692500a0
12237948740
1312a331259
14958097a0
155be95246
hex3b0cda20

990698016 has 192 divisors, whose sum is σ = 3262242816. Its totient is φ = 255744000.

The previous prime is 990697997. The next prime is 990698053. The reversal of 990698016 is 610896099.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1648116 + ... + 1648716.

It is an arithmetic number, because the mean of its divisors is an integer number (16990848).

Almost surely, 2990698016 is an apocalyptic number.

990698016 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 990698016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1631121408).

990698016 is an abundant number, since it is smaller than the sum of its proper divisors (2271544800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

990698016 is a wasteful number, since it uses less digits than its factorization.

990698016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 855 (or 847 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 48.

The square root of 990698016 is about 31475.3556929862. The cubic root of 990698016 is about 996.8896745723.

The spelling of 990698016 in words is "nine hundred ninety million, six hundred ninety-eight thousand, sixteen".