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728114533792 = 251911511040449
BaseRepresentation
bin10101001100001110000…
…00100001010110100000
32120121101112221200201021
422212013000201112200
543412134310040132
61314254033215224
7103414233264232
oct12460700412640
92517345850637
10728114533792
11260878743a98
12b9144101514
1353879019859
142735318a252
1513e173e4997
hexa9870215a0

728114533792 has 48 divisors (see below), whose sum is σ = 1510233984000. Its totient is φ = 344596377600.

The previous prime is 728114533711. The next prime is 728114533799. The reversal of 728114533792 is 297335411827.

It is not an unprimeable number, because it can be changed into a prime (728114533799) 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, 179584 + ... + 1220032.

It is an arithmetic number, because the mean of its divisors is an integer number (31463208000).

Almost surely, 2728114533792 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 728114533792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (755116992000).

728114533792 is an abundant number, since it is smaller than the sum of its proper divisors (782119450208).

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

728114533792 is a wasteful number, since it uses less digits than its factorization.

728114533792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1041629 (or 1041621 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 52.

The spelling of 728114533792 in words is "seven hundred twenty-eight billion, one hundred fourteen million, five hundred thirty-three thousand, seven hundred ninety-two".

Divisors: 1 2 4 8 16 19 32 38 76 152 304 608 1151 2302 4604 9208 18416 21869 36832 43738 87476 174952 349904 699808 1040449 2080898 4161796 8323592 16647184 19768531 33294368 39537062 79074124 158148248 316296496 632592992 1197556799 2395113598 4790227196 9580454392 19160908784 22753579181 38321817568 45507158362 91014316724 182028633448 364057266896 728114533792