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72047303418 = 2312007883903
BaseRepresentation
bin100001100011001011…
…0101001101011111010
320212222002201020012010
41003012112221223322
52140023102202133
653033103430350
75130253655166
oct1030626515372
9225862636163
1072047303418
1128611908472
1211b685b53b6
136a426448ac
1436b68a5ca6
151d1a219263
hex10c65a9afa

72047303418 has 8 divisors (see below), whose sum is σ = 144094606848. Its totient is φ = 24015767804.

The previous prime is 72047303411. The next prime is 72047303431. The reversal of 72047303418 is 81430374027.

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

72047303418 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (72047303411) by changing a digit.

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, 6003941946 + ... + 6003941957.

It is an arithmetic number, because the mean of its divisors is an integer number (18011825856).

Almost surely, 272047303418 is an apocalyptic number.

72047303418 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

72047303418 is a wasteful number, since it uses less digits than its factorization.

72047303418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12007883908.

The product of its (nonzero) digits is 112896, while the sum is 39.

The spelling of 72047303418 in words is "seventy-two billion, forty-seven million, three hundred three thousand, four hundred eighteen".

Divisors: 1 2 3 6 12007883903 24015767806 36023651709 72047303418