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9901768801 = 233711635451
BaseRepresentation
bin10010011100011000…
…10000000001100001
3221120001220222020211
421032030100001201
5130234323100201
64314313134121
7500242434421
oct111614200141
927501828224
109901768801
114221321501
121b040ba341
13c1a545ac2
1469d0b2481
153ce457651
hex24e310061

9901768801 has 8 divisors (see below), whose sum is σ = 10611532224. Its totient is φ = 9215276400.

The previous prime is 9901768739. The next prime is 9901768859. The reversal of 9901768801 is 1088671099.

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 9901768801 - 211 = 9901766753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9901768501) 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 7 ways as a sum of consecutive naturals, for example, 5816875 + ... + 5818576.

It is an arithmetic number, because the mean of its divisors is an integer number (1326441528).

Almost surely, 29901768801 is an apocalyptic number.

It is an amenable number.

9901768801 is a deficient number, since it is larger than the sum of its proper divisors (709763423).

9901768801 is a wasteful number, since it uses less digits than its factorization.

9901768801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11635511.

The product of its (nonzero) digits is 217728, while the sum is 49.

The square root of 9901768801 is about 99507.6318731383. The cubic root of 9901768801 is about 2147.3570409021.

The spelling of 9901768801 in words is "nine billion, nine hundred one million, seven hundred sixty-eight thousand, eight hundred one".

Divisors: 1 23 37 851 11635451 267615373 430511687 9901768801