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72812276006 = 2138312632213
BaseRepresentation
bin100001111001111110…
…0110010100100100110
320221221102010212022012
41003303330302210212
52143104420313011
653241031434222
75155233064031
oct1036374624446
9227842125265
1072812276006
11289746a4718
1212140825972
136b34c823b2
14374a314018
151d62472a8b
hex10f3f32926

72812276006 has 8 divisors (see below), whose sum is σ = 109226352144. Its totient is φ = 36403491960.

The previous prime is 72812275997. The next prime is 72812276023. The reversal of 72812276006 is 60067221827.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1288445 + ... + 1343768.

It is an arithmetic number, because the mean of its divisors is an integer number (13653294018).

Almost surely, 272812276006 is an apocalyptic number.

72812276006 is a deficient number, since it is larger than the sum of its proper divisors (36414076138).

72812276006 is a wasteful number, since it uses less digits than its factorization.

72812276006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2646046.

The product of its (nonzero) digits is 112896, while the sum is 41.

The spelling of 72812276006 in words is "seventy-two billion, eight hundred twelve million, two hundred seventy-six thousand, six".

Divisors: 1 2 13831 27662 2632213 5264426 36406138003 72812276006