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690633483984 = 243219223515651
BaseRepresentation
bin10100000110011001111…
…01101010011011010000
32110000122102202002021100
422003030331222123100
542303404132441414
61245134520224400
7100616353516443
oct12031475523320
92400572662240
10690633483984
11246994662574
12b1a2390b100
1350184aa0082
14255d936365a
1512e71b2d609
hexa0ccf6a6d0

690633483984 has 180 divisors, whose sum is σ = 2041124484672. Its totient is φ = 217963440000.

The previous prime is 690633483941. The next prime is 690633484039. The reversal of 690633483984 is 489384336096.

690633483984 is a `hidden beast` number, since 6 + 9 + 0 + 63 + 3 + 483 + 98 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

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 35 ways as a sum of consecutive naturals, for example, 122211559 + ... + 122217209.

Almost surely, 2690633483984 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 690633483984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1020562242336).

690633483984 is an abundant number, since it is smaller than the sum of its proper divisors (1350491000688).

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

690633483984 is a wasteful number, since it uses less digits than its factorization.

690633483984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8054 (or 8026 counting only the distinct ones).

The product of its (nonzero) digits is 80621568, while the sum is 63.

The spelling of 690633483984 in words is "six hundred ninety billion, six hundred thirty-three million, four hundred eighty-three thousand, nine hundred eighty-four".