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1699430842368 = 2143277692141
BaseRepresentation
bin11000101110101101111…
…110001100000000000000
320000110112020221121201200
4120232231332030000000
5210320413243423433
63340412512501200
7233531323550610
oct30565576140000
96013466847650
101699430842368
115a57a7451a86
1223543bb4a800
13c43428483cc
145c377d12a40
152e315894613
hex18badf8c000

1699430842368 has 360 divisors, whose sum is σ = 5620568073120. Its totient is φ = 484693770240.

The previous prime is 1699430842331. The next prime is 1699430842387. The reversal of 1699430842368 is 8632480349961.

1699430842368 is a `hidden beast` number, since 1 + 6 + 9 + 94 + 308 + 4 + 236 + 8 = 666.

It is a super-2 number, since 2×16994308423682 (a number of 25 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 793754578 + ... + 793756718.

It is an arithmetic number, because the mean of its divisors is an integer number (15612689092).

Almost surely, 21699430842368 is an apocalyptic number.

1699430842368 is a gapful number since it is divisible by the number (18) 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 1699430842368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2810284036560).

1699430842368 is an abundant number, since it is smaller than the sum of its proper divisors (3921137230752).

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

1699430842368 is an equidigital number, since it uses as much as digits as its factorization.

1699430842368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2951 (or 2922 counting only the distinct ones).

The product of its (nonzero) digits is 53747712, while the sum is 63.

The spelling of 1699430842368 in words is "one trillion, six hundred ninety-nine billion, four hundred thirty million, eight hundred forty-two thousand, three hundred sixty-eight".