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690900959232 = 21935111729
BaseRepresentation
bin10100000110111001110…
…10000000000000000000
32110001100002001020100000
422003130322000000000
542304431121143412
61245221233200000
7100626112153611
oct12033472000000
92401302036300
10690900959232
112470116416a0
12b1a99400000
13501c8320953
1425622aabc08
1512e8a3654dc
hexa0dce80000

690900959232 has 960 divisors, whose sum is σ = 2473294824000. Its totient is φ = 190253629440.

The previous prime is 690900959179. The next prime is 690900959237. The reversal of 690900959232 is 232959009096.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (690900959237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23824170994 + ... + 23824171022.

It is an arithmetic number, because the mean of its divisors is an integer number (2576348775).

Almost surely, 2690900959232 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 690900959232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1236647412000).

690900959232 is an abundant number, since it is smaller than the sum of its proper divisors (1782393864768).

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

690900959232 is an frugal number, since it uses more digits than its factorization.

690900959232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110 (or 62 counting only the distinct ones).

The product of its (nonzero) digits is 2361960, while the sum is 54.

The spelling of 690900959232 in words is "six hundred ninety billion, nine hundred million, nine hundred fifty-nine thousand, two hundred thirty-two".