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72949082832 = 24322392119627
BaseRepresentation
bin100001111110000011…
…0101010101011010000
320222021221120100222200
41003330012222223100
52143344431122312
653302400003200
75161513654533
oct1037406525320
9228257510880
1072949082832
1128a3494570a
121217a600500
136b57412192
143760566a1a
151d6e4980dc
hex10fc1aaad0

72949082832 has 60 divisors (see below), whose sum is σ = 205010420160. Its totient is φ = 24214607424.

The previous prime is 72949082831. The next prime is 72949082839. The reversal of 72949082832 is 23828094927.

It is a happy number.

72949082832 is a `hidden beast` number, since 72 + 9 + 490 + 8 + 2 + 83 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72949082831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1025398 + ... + 1094229.

It is an arithmetic number, because the mean of its divisors is an integer number (3416840336).

Almost surely, 272949082832 is an apocalyptic number.

72949082832 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

72949082832 is an abundant number, since it is smaller than the sum of its proper divisors (132061337328).

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

72949082832 is a wasteful number, since it uses less digits than its factorization.

72949082832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2119880 (or 2119871 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 54.

The spelling of 72949082832 in words is "seventy-two billion, nine hundred forty-nine million, eighty-two thousand, eight hundred thirty-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 239 478 717 956 1434 1912 2151 2868 3824 4302 5736 8604 11472 17208 34416 2119627 4239254 6358881 8478508 12717762 16957016 19076643 25435524 33914032 38153286 50871048 76306572 101742096 152613144 305226288 506590853 1013181706 1519772559 2026363412 3039545118 4052726824 4559317677 6079090236 8105453648 9118635354 12158180472 18237270708 24316360944 36474541416 72949082832