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6897016352 = 255322772
BaseRepresentation
bin1100110110001100…
…00001111000100000
3122210122221201210002
412123012001320200
5103111114010402
63100214555132
7332625446252
oct63306017040
918718851702
106897016352
112a1a205516
121405968aa8
1385bb89385
14495dcdcd2
152a5775602
hex19b181e20

6897016352 has 54 divisors (see below), whose sum is σ = 13889675583. Its totient is φ = 3371227392.

The previous prime is 6897016349. The next prime is 6897016393. The reversal of 6897016352 is 2536107986.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 5 ways, for example, as 2572112656 + 4324903696 = 50716^2 + 65764^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=58724.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6897016297 and 6897016306.

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 8 ways as a sum of consecutive naturals, for example, 24898838 + ... + 24899114.

Almost surely, 26897016352 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 6897016352

6897016352 is an abundant number, since it is smaller than the sum of its proper divisors (6992659231).

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

6897016352 is an frugal number, since it uses more digits than its factorization.

6897016352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670 (or 332 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 47.

The square root of 6897016352 is about 83048.2772367976. The cubic root of 6897016352 is about 1903.5038164014.

The spelling of 6897016352 in words is "six billion, eight hundred ninety-seven million, sixteen thousand, three hundred fifty-two".

Divisors: 1 2 4 8 16 32 53 106 212 277 424 554 848 1108 1696 2216 2809 4432 5618 8864 11236 14681 22472 29362 44944 58724 76729 89888 117448 153458 234896 306916 469792 613832 778093 1227664 1556186 2455328 3112372 4066637 6224744 8133274 12449488 16266548 24898976 32533096 65066192 130132384 215531761 431063522 862127044 1724254088 3448508176 6897016352