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689073916134240 = 2533571331193292969
BaseRepresentation
bin1001110010101101011000010…
…1111111101100001101100000
310100100210211012222210200211000
42130223112011333230031200
51210304241340012243430
610441312104214552000
7265066643004055530
oct23453260577541540
93310724188720730
10689073916134240
1118a6186745a095a
126534b184368600
13237655120b2a60
14c2234d96834c0
15549e5d95eee60
hex272b585fec360

689073916134240 has 1536 divisors, whose sum is σ = 3079957141094400. Its totient is φ = 139967641681920.

The previous prime is 689073916134199. The next prime is 689073916134281. The reversal of 689073916134240 is 42431619370986.

689073916134240 is a `hidden beast` number, since 6 + 8 + 9 + 0 + 7 + 3 + 9 + 1 + 613 + 4 + 2 + 4 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (689073916134199) and next prime (689073916134281).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 2351890476 + ... + 2352183444.

It is an arithmetic number, because the mean of its divisors is an integer number (2005180430400).

Almost surely, 2689073916134240 is an apocalyptic number.

689073916134240 is a gapful number since it is divisible by the number (60) 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 689073916134240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1539978570547200).

689073916134240 is an abundant number, since it is smaller than the sum of its proper divisors (2390883224960160).

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

689073916134240 is a wasteful number, since it uses less digits than its factorization.

689073916134240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293237 (or 293223 counting only the distinct ones).

The product of its (nonzero) digits is 47029248, while the sum is 63.

The spelling of 689073916134240 in words is "six hundred eighty-nine trillion, seventy-three billion, nine hundred sixteen million, one hundred thirty-four thousand, two hundred forty".