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72222261150 = 23521337037057
BaseRepresentation
bin100001101000011001…
…0000011111110011110
320220102021221000002010
41003100302003332132
52140402344324100
653102313412050
75134510043064
oct1032062037636
9226367830063
1072222261150
11286a1646836
1211bb710a026
136a6c971690
1436d1c0a034
151d2a778750
hex10d0c83f9e

72222261150 has 48 divisors (see below), whose sum is σ = 192888998064. Its totient is φ = 17777786880.

The previous prime is 72222261149. The next prime is 72222261157. The reversal of 72222261150 is 5116222227.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72222261157) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18516579 + ... + 18520478.

It is an arithmetic number, because the mean of its divisors is an integer number (4018520793).

Almost surely, 272222261150 is an apocalyptic number.

72222261150 is an abundant number, since it is smaller than the sum of its proper divisors (120666736914).

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

72222261150 is a wasteful number, since it uses less digits than its factorization.

72222261150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37037085 (or 37037080 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

Adding to 72222261150 its reverse (5116222227), we get a palindrome (77338483377).

The spelling of 72222261150 in words is "seventy-two billion, two hundred twenty-two million, two hundred sixty-one thousand, one hundred fifty".

Divisors: 1 2 3 5 6 10 13 15 25 26 30 39 50 65 75 78 130 150 195 325 390 650 975 1950 37037057 74074114 111111171 185185285 222222342 370370570 481481741 555555855 925926425 962963482 1111111710 1444445223 1851852850 2407408705 2777779275 2888890446 4814817410 5555558550 7222226115 12037043525 14444452230 24074087050 36111130575 72222261150