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28563124424704 = 21211327392
BaseRepresentation
bin1100111111010010111101…
…11000101001000000000000
310202010121102020210122110021
412133221132320221000000
512220434234323042304
6140425415044543224
76005421564461242
oct637513670510000
9122117366718407
1028563124424704
11911260a10a301
1232538846b1b14
1312c264cb8024c
1470a669528092
15347ed4602a54
hex19fa5ee29000

28563124424704 has 117 divisors (see below), whose sum is σ = 57707317264233. Its totient is φ = 14136022204416.

The previous prime is 28563124424687. The next prime is 28563124424761. The reversal of 28563124424704 is 40742442136582.

The square root of 28563124424704 is 5344448.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 503305113600 + 28059819311104 = 709440^2 + 5297152^2 .

It is a super-2 number, since 2×285631244247042 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 38651047567 + ... + 38651048305.

Almost surely, 228563124424704 is an apocalyptic number.

28563124424704 is the 5344448-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28563124424704

28563124424704 is an abundant number, since it is smaller than the sum of its proper divisors (29144192839529).

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

28563124424704 is an frugal number, since it uses more digits than its factorization.

28563124424704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1728 (or 854 counting only the distinct ones).

The product of its (nonzero) digits is 10321920, while the sum is 52.

The spelling of 28563124424704 in words is "twenty-eight trillion, five hundred sixty-three billion, one hundred twenty-four million, four hundred twenty-four thousand, seven hundred four".

Divisors: 1 2 4 8 16 32 64 113 128 226 256 452 512 739 904 1024 1478 1808 2048 2956 3616 4096 5912 7232 11824 12769 14464 23648 25538 28928 47296 51076 57856 83507 94592 102152 115712 167014 189184 204304 231424 334028 378368 408608 462848 546121 668056 756736 817216 1092242 1336112 1513472 1634432 2184484 2672224 3026944 3268864 4368968 5344448 6537728 8737936 9436291 10688896 13075456 17475872 18872582 21377792 26150912 34951744 37745164 42755584 52301824 61711673 69903488 75490328 85511168 123423346 139806976 150980656 171022336 246846692 279613952 301961312 342044672 493693384 559227904 603922624 987386768 1118455808 1207845248 1974773536 2236911616 2415690496 3949547072 4831380992 6973419049 7899094144 9662761984 13946838098 15798188288 19325523968 27893676196 31596376576 38651047936 55787352392 63192753152 111574704784 126385506304 223149409568 252771012608 446298819136 892597638272 1785195276544 3570390553088 7140781106176 14281562212352 28563124424704