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728462387747013 = 3232459018517799
BaseRepresentation
bin1010010110100010000101110…
…1110110101001100011000101
310112112021022202022011220101120
42211220201131312221203011
51230440111432230401023
611101151000115344153
7306303446025454053
oct24550413566514305
93475238668156346
10728462387747013
111a11241889a9487
1269850a838b2059
13253619294b16ca
14cbc5aa67831d3
155933ea233a8e3
hex296885dda98c5

728462387747013 has 12 divisors (see below), whose sum is σ = 1015348961373600. Its totient is φ = 464526740011576.

The previous prime is 728462387747009. The next prime is 728462387747021. The reversal of 728462387747013 is 310747783264827.

It is not a de Polignac number, because 728462387747013 - 22 = 728462387747009 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (69).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (728462387747513) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 229509257313 + ... + 229509260486.

It is an arithmetic number, because the mean of its divisors is an integer number (84612413447800).

Almost surely, 2728462387747013 is an apocalyptic number.

It is an amenable number.

728462387747013 is a deficient number, since it is larger than the sum of its proper divisors (286886573626587).

728462387747013 is a wasteful number, since it uses less digits than its factorization.

728462387747013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459018517848 (or 459018517825 counting only the distinct ones).

The product of its (nonzero) digits is 531062784, while the sum is 69.

The spelling of 728462387747013 in words is "seven hundred twenty-eight trillion, four hundred sixty-two billion, three hundred eighty-seven million, seven hundred forty-seven thousand, thirteen".

Divisors: 1 3 23 69 529 1587 459018517799 1377055553397 10557425909377 31672277728131 242820795915671 728462387747013