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199470507451 = 673179391709
BaseRepresentation
bin1011100111000101011…
…1100110010110111011
3201001212102221200021021
42321301113212112323
511232003422214301
6231345133123311
720261031223645
oct2716127462673
9631772850237
10199470507451
117765a9a0656
12327aa329537
1315a6b70c087
149923a4d895
1552c6c328a1
hex2e715e65bb

199470507451 has 8 divisors (see below), whose sum is σ = 203086337040. Its totient is φ = 195873462048.

The previous prime is 199470507413. The next prime is 199470507499. The reversal of 199470507451 is 154705074991.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 199470507451 - 27 = 199470507323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (199470507251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4674616 + ... + 4717093.

It is an arithmetic number, because the mean of its divisors is an integer number (25385792130).

Almost surely, 2199470507451 is an apocalyptic number.

199470507451 is a deficient number, since it is larger than the sum of its proper divisors (3615829589).

199470507451 is an equidigital number, since it uses as much as digits as its factorization.

199470507451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9392093.

The product of its (nonzero) digits is 1587600, while the sum is 52.

The spelling of 199470507451 in words is "one hundred ninety-nine billion, four hundred seventy million, five hundred seven thousand, four hundred fifty-one".

Divisors: 1 67 317 21239 9391709 629244503 2977171753 199470507451