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72879927103 = 1914419266023
BaseRepresentation
bin100001111011111111…
…0110110111100111111
320222010010102220011101
41003313332312330333
52143224230131403
653251445433531
75160014105404
oct1036776667477
9228103386141
1072879927103
11289a9900a15
121215b40b8a7
136b45caaa29
1437552c42ab
151d6838771d
hex10f7fb6f3f

72879927103 has 8 divisors (see below), whose sum is σ = 76721321600. Its totient is φ = 69039093528.

The previous prime is 72879927097. The next prime is 72879927199. The reversal of 72879927103 is 30172997827.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 72879927103 - 213 = 72879918911 is a prime.

It is a super-2 number, since 2×728799271032 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72879927403) 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, 140950 + ... + 406972.

It is an arithmetic number, because the mean of its divisors is an integer number (9590165200).

Almost surely, 272879927103 is an apocalyptic number.

72879927103 is a deficient number, since it is larger than the sum of its proper divisors (3841394497).

72879927103 is a wasteful number, since it uses less digits than its factorization.

72879927103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280461.

The product of its (nonzero) digits is 2667168, while the sum is 55.

The spelling of 72879927103 in words is "seventy-two billion, eight hundred seventy-nine million, nine hundred twenty-seven thousand, one hundred three".

Divisors: 1 19 14419 266023 273961 5054437 3835785637 72879927103