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72884412012 = 2236073701001
BaseRepresentation
bin100001111100000111…
…1111101111001101100
320222010102212202022010
41003320033331321230
52143231402141022
653252125521220
75160100165056
oct1037017757154
9228112782263
1072884412012
1128a01394555
1212160a13210
136b46bbb219
143755b308d6
151d6897150c
hex10f83fde6c

72884412012 has 12 divisors (see below), whose sum is σ = 170063628056. Its totient is φ = 24294804000.

The previous prime is 72884412011. The next prime is 72884412043. The reversal of 72884412012 is 21021448827.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (72884412011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3036850489 + ... + 3036850512.

Almost surely, 272884412012 is an apocalyptic number.

It is an amenable number.

72884412012 is an abundant number, since it is smaller than the sum of its proper divisors (97179216044).

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

72884412012 is a wasteful number, since it uses less digits than its factorization.

72884412012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6073701008 (or 6073701006 counting only the distinct ones).

The product of its (nonzero) digits is 57344, while the sum is 39.

The spelling of 72884412012 in words is "seventy-two billion, eight hundred eighty-four million, four hundred twelve thousand, twelve".

Divisors: 1 2 3 4 6 12 6073701001 12147402002 18221103003 24294804004 36442206006 72884412012