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28073467392 = 29353675147
BaseRepresentation
bin11010001001010011…
…110001111000000000
32200110111011220110120
4122021103301320000
5424443301424032
620521411500240
72012454351465
oct321123617000
980414156416
1028073467392
11109a6816623
1255358b7680
132855201889
14150463566c
15ae492962c
hex6894f1e00

28073467392 has 160 divisors (see below), whose sum is σ = 77352941952. Its totient is φ = 9042468864.

The previous prime is 28073467391. The next prime is 28073467393. The reversal of 28073467392 is 29376437082.

It is an interprime number because it is at equal distance from previous prime (28073467391) and next prime (28073467393).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28073467391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5451763 + ... + 5456909.

Almost surely, 228073467392 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 28073467392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38676470976).

28073467392 is an abundant number, since it is smaller than the sum of its proper divisors (49279474560).

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

28073467392 is an equidigital number, since it uses as much as digits as its factorization.

28073467392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5288 (or 5272 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 51.

The spelling of 28073467392 in words is "twenty-eight billion, seventy-three million, four hundred sixty-seven thousand, three hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 53 64 67 96 106 128 134 159 192 201 212 256 268 318 384 402 424 512 536 636 768 804 848 1072 1272 1536 1608 1696 2144 2544 3216 3392 3551 4288 5088 5147 6432 6784 7102 8576 10176 10294 10653 12864 13568 14204 15441 17152 20352 20588 21306 25728 27136 28408 30882 34304 40704 41176 42612 51456 56816 61764 81408 82352 85224 102912 113632 123528 164704 170448 227264 247056 272791 329408 340896 344849 454528 494112 545582 658816 681792 689698 818373 909056 988224 1034547 1091164 1317632 1363584 1379396 1636746 1818112 1976448 2069094 2182328 2635264 2727168 2758792 3273492 3952896 4138188 4364656 5454336 5517584 6546984 7905792 8276376 8729312 11035168 13093968 16552752 17458624 18276997 22070336 26187936 33105504 34917248 36553994 44140672 52375872 54830991 66211008 69834496 73107988 88281344 104751744 109661982 132422016 139668992 146215976 176562688 209503488 219323964 264844032 292431952 419006976 438647928 529688064 584863904 877295856 1169727808 1754591712 2339455616 3509183424 4678911232 7018366848 9357822464 14036733696 28073467392