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72304605464 = 2371399319513
BaseRepresentation
bin100001101010110110…
…0001011100100011000
320220122000212112020112
41003111230023210120
52141034434333324
653114414343452
75136530002010
oct1032554134430
9226560775215
1072304605464
1128734079293
121201a7bab88
136a83a42b20
1436dcb22c40
151d32ae1c0e
hex10d5b0b918

72304605464 has 32 divisors (see below), whose sum is σ = 166856783520. Its totient is φ = 28604019456.

The previous prime is 72304605449. The next prime is 72304605473. The reversal of 72304605464 is 46450640327.

It is a congruent number.

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, 49659029 + ... + 49660484.

It is an arithmetic number, because the mean of its divisors is an integer number (5214274485).

Almost surely, 272304605464 is an apocalyptic number.

It is an amenable number.

72304605464 is an abundant number, since it is smaller than the sum of its proper divisors (94552178056).

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

72304605464 is a wasteful number, since it uses less digits than its factorization.

72304605464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99319539 (or 99319535 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 41.

The spelling of 72304605464 in words is "seventy-two billion, three hundred four million, six hundred five thousand, four hundred sixty-four".

Divisors: 1 2 4 7 8 13 14 26 28 52 56 91 104 182 364 728 99319513 198639026 397278052 695236591 794556104 1291153669 1390473182 2582307338 2780946364 5164614676 5561892728 9038075683 10329229352 18076151366 36152302732 72304605464