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72935268864 = 29348319829
BaseRepresentation
bin100001111101101000…
…1111110001000000000
320222020222120112210020
41003323101332020000
52143332412100424
653301143533440
75161255361553
oct1037321761000
9228228515706
1072935268864
1128a28070007
1212175a5a280
136b545b6633
14375c7ac69a
151d6d16a079
hex10fb47e200

72935268864 has 80 divisors (see below), whose sum is σ = 194364107520. Its totient is φ = 24304250880.

The previous prime is 72935268811. The next prime is 72935268883. The reversal of 72935268864 is 46886253927.

It is a junction number, because it is equal to n+sod(n) for n = 72935268798 and 72935268807.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7415502 + ... + 7425330.

It is an arithmetic number, because the mean of its divisors is an integer number (2429551344).

Almost surely, 272935268864 is an apocalyptic number.

It is an amenable number.

72935268864 is an abundant number, since it is smaller than the sum of its proper divisors (121428838656).

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

72935268864 is an equidigital number, since it uses as much as digits as its factorization.

72935268864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14681 (or 14665 counting only the distinct ones).

The product of its digits is 34836480, while the sum is 60.

It can be divided in two parts, 729352 and 68864, that added together give a triangular number (798216 = T1263).

The spelling of 72935268864 in words is "seventy-two billion, nine hundred thirty-five million, two hundred sixty-eight thousand, eight hundred sixty-four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 256 384 512 768 1536 4831 9662 9829 14493 19324 19658 28986 29487 38648 39316 57972 58974 77296 78632 115944 117948 154592 157264 231888 235896 309184 314528 463776 471792 618368 629056 927552 943584 1236736 1258112 1855104 1887168 2473472 2516224 3710208 3774336 5032448 7420416 7548672 15097344 47483899 94967798 142451697 189935596 284903394 379871192 569806788 759742384 1139613576 1519484768 2279227152 3038969536 4558454304 6077939072 9116908608 12155878144 18233817216 24311756288 36467634432 72935268864