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72044384468 = 2274754744973
BaseRepresentation
bin100001100011000101…
…1100001000011010100
320212221220012221010212
41003012023201003110
52140021330300333
653032521104552
75130220110140
oct1030613410324
9225856187125
1072044384468
11286101a4411
1211b67628158
136a41b620c4
1436b6346220
151d19d3e448
hex10c62e10d4

72044384468 has 24 divisors (see below), whose sum is σ = 147154490112. Its totient is φ = 30219224544.

The previous prime is 72044384441. The next prime is 72044384497. The reversal of 72044384468 is 86448344027.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27371171 + ... + 27373802.

It is an arithmetic number, because the mean of its divisors is an integer number (6131437088).

Almost surely, 272044384468 is an apocalyptic number.

It is an amenable number.

72044384468 is an abundant number, since it is smaller than the sum of its proper divisors (75110105644).

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

72044384468 is a wasteful number, since it uses less digits than its factorization.

72044384468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54745031 (or 54745029 counting only the distinct ones).

The product of its (nonzero) digits is 4128768, while the sum is 50.

The spelling of 72044384468 in words is "seventy-two billion, forty-four million, three hundred eighty-four thousand, four hundred sixty-eight".

Divisors: 1 2 4 7 14 28 47 94 188 329 658 1316 54744973 109489946 218979892 383214811 766429622 1532859244 2573013731 5146027462 10292054924 18011096117 36022192234 72044384468