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72913614932 = 22413607123259
BaseRepresentation
bin100001111100111111…
…1010111100001010100
320222012110211102011202
41003321333113201110
52143311341134212
653255051452032
75160603333554
oct1037177274124
9228173742152
1072913614932
1128a169200a4
121216a757018
136b4cc74462
143759973164
151d6b2de0c2
hex10f9fd7854

72913614932 has 24 divisors (see below), whose sum is σ = 130748291520. Its totient is φ = 35557467840.

The previous prime is 72913614931. The next prime is 72913614967. The reversal of 72913614932 is 23941631927.

It is a happy number.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72913614931) 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, 529919 + ... + 653177.

It is an arithmetic number, because the mean of its divisors is an integer number (5447845480).

Almost surely, 272913614932 is an apocalyptic number.

It is an amenable number.

72913614932 is a deficient number, since it is larger than the sum of its proper divisors (57834676588).

72913614932 is a wasteful number, since it uses less digits than its factorization.

72913614932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126911 (or 126909 counting only the distinct ones).

The product of its digits is 489888, while the sum is 47.

The spelling of 72913614932 in words is "seventy-two billion, nine hundred thirteen million, six hundred fourteen thousand, nine hundred thirty-two".

Divisors: 1 2 4 41 82 164 3607 7214 14428 123259 147887 246518 295774 493036 591548 5053619 10107238 20214476 444595213 889190426 1778380852 18228403733 36456807466 72913614932