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72230150730 = 2352407671691
BaseRepresentation
bin100001101000101000…
…0001010001001001010
320220102211202211112210
41003101100022021022
52140411404310410
653103154445550
75134634102553
oct1032120121112
9226384684483
1072230150730
11286a6045351
1211bb98938b6
136a714a477a
1436d2ca132a
151d2b2d6220
hex10d140a24a

72230150730 has 16 divisors (see below), whose sum is σ = 173352361824. Its totient is φ = 19261373520.

The previous prime is 72230150623. The next prime is 72230150731. The reversal of 72230150730 is 3705103227.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 2407671691 = 72230150730 / (7 + 2 + 2 + 3 + 0 + 1 + 5 + 0 + 7 + 3 + 0).

It is not an unprimeable number, because it can be changed into a prime (72230150731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1203835816 + ... + 1203835875.

It is an arithmetic number, because the mean of its divisors is an integer number (10834522614).

Almost surely, 272230150730 is an apocalyptic number.

72230150730 is an abundant number, since it is smaller than the sum of its proper divisors (101122211094).

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

72230150730 is a wasteful number, since it uses less digits than its factorization.

72230150730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2407671701.

The product of its (nonzero) digits is 8820, while the sum is 30.

Adding to 72230150730 its reverse (3705103227), we get a palindrome (75935253957).

The spelling of 72230150730 in words is "seventy-two billion, two hundred thirty million, one hundred fifty thousand, seven hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 2407671691 4815343382 7223015073 12038358455 14446030146 24076716910 36115075365 72230150730