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9872840001 = 310177323371
BaseRepresentation
bin10010011000111011…
…11001010101000001
3221111001111020101210
421030131321111001
5130204421340001
64311401120333
7466441520043
oct111435712501
927431436353
109872840001
114206a62902
121ab64890a9
13c1455757b
14699301a93
153cbb40dd6
hex24c779541

9872840001 has 8 divisors (see below), whose sum is σ = 13165120864. Its totient is φ = 6581226240.

The previous prime is 9872839987. The next prime is 9872840009. The reversal of 9872840001 is 1000482789.

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

It is not a de Polignac number, because 9872840001 - 210 = 9872838977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9872840009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131155 + ... + 192216.

It is an arithmetic number, because the mean of its divisors is an integer number (1645640108).

Almost surely, 29872840001 is an apocalyptic number.

It is an amenable number.

9872840001 is a deficient number, since it is larger than the sum of its proper divisors (3292280863).

9872840001 is a wasteful number, since it uses less digits than its factorization.

9872840001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333551.

The product of its (nonzero) digits is 32256, while the sum is 39.

The square root of 9872840001 is about 99362.1658429404. The cubic root of 9872840001 is about 2145.2637766039.

The spelling of 9872840001 in words is "nine billion, eight hundred seventy-two million, eight hundred forty thousand, one".

Divisors: 1 3 10177 30531 323371 970113 3290946667 9872840001