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28058541552 = 2432418775419
BaseRepresentation
bin11010001000011010…
…110101110111110000
32200102110002121001200
4122020122311313300
5424430441312202
620520115531200
72012213445066
oct321032656760
980373077050
1028058541552
1110999351618
1255308b9b00
1328520a6c12
14150266c036
15ae347be1c
hex6886b5df0

28058541552 has 120 divisors (see below), whose sum is σ = 80546771760. Its totient is φ = 9112642560.

The previous prime is 28058541509. The next prime is 28058541611. The reversal of 28058541552 is 25514585082.

28058541552 is a `hidden beast` number, since 2 + 8 + 0 + 58 + 5 + 41 + 552 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 28058541498 and 28058541507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5175099 + ... + 5180517.

It is an arithmetic number, because the mean of its divisors is an integer number (671223098).

Almost surely, 228058541552 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 28058541552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40273385880).

28058541552 is an abundant number, since it is smaller than the sum of its proper divisors (52488230208).

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

28058541552 is a wasteful number, since it uses less digits than its factorization.

28058541552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6351 (or 6342 counting only the distinct ones).

The product of its (nonzero) digits is 640000, while the sum is 45.

The spelling of 28058541552 in words is "twenty-eight billion, fifty-eight million, five hundred forty-one thousand, five hundred fifty-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 41 48 72 82 123 144 164 246 328 369 492 656 738 877 984 1476 1754 1968 2631 2952 3508 5262 5419 5904 7016 7893 10524 10838 14032 15786 16257 21048 21676 31572 32514 35957 42096 43352 48771 63144 65028 71914 86704 97542 107871 126288 130056 143828 195084 215742 222179 260112 287656 323613 390168 431484 444358 575312 647226 666537 780336 862968 888716 1294452 1333074 1725936 1777432 1999611 2588904 2666148 3554864 3999222 4752463 5177808 5332296 7998444 9504926 10664592 14257389 15996888 19009852 28514778 31993776 38019704 42772167 57029556 76039408 85544334 114059112 171088668 194850983 228118224 342177336 389701966 584552949 684354672 779403932 1169105898 1558807864 1753658847 2338211796 3117615728 3507317694 4676423592 7014635388 9352847184 14029270776 28058541552