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72226124707 = 1117386235961
BaseRepresentation
bin100001101000100000…
…0110011001110100011
320220102120012021212211
41003101000303032203
52140404341442312
653102532302551
75134554634102
oct1032100631643
9226376167784
1072226124707
11286a3845560
1211bb8471a57
136a706c50c9
1436d2534039
151d2ac8d3a7
hex10d10333a3

72226124707 has 8 divisors (see below), whose sum is σ = 83426967792. Its totient is φ = 61797753600.

The previous prime is 72226124701. The next prime is 72226124731. The reversal of 72226124707 is 70742162227.

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

It is a de Polignac number, because none of the positive numbers 2k-72226124707 is a prime.

It is a super-2 number, since 2×722261247072 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 72226124707.

It is not an unprimeable number, because it can be changed into a prime (72226124701) 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, 193117794 + ... + 193118167.

It is an arithmetic number, because the mean of its divisors is an integer number (10428370974).

Almost surely, 272226124707 is an apocalyptic number.

72226124707 is a deficient number, since it is larger than the sum of its proper divisors (11200843085).

72226124707 is a wasteful number, since it uses less digits than its factorization.

72226124707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386235989.

The product of its (nonzero) digits is 131712, while the sum is 40.

The spelling of 72226124707 in words is "seventy-two billion, two hundred twenty-six million, one hundred twenty-four thousand, seven hundred seven".

Divisors: 1 11 17 187 386235961 4248595571 6566011337 72226124707