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28053448139712 = 263417974471393
BaseRepresentation
bin1100110000011101100111…
…10011111010001111000000
310200022212212000221201121010
412120032303303322033000
512134111430210432322
6135355324241200520
75623536411520302
oct630166363721700
9120285760851533
1028053448139712
118a36445139766
123190b43030140
131286576127168
146cdb19169972
15339b0425720c
hex1983b3cfa3c0

28053448139712 has 112 divisors (see below), whose sum is σ = 76130526582432. Its totient is φ = 9111623761920.

The previous prime is 28053448139669. The next prime is 28053448139729. The reversal of 28053448139712 is 21793184435082.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4038288 + ... + 8509680.

It is an arithmetic number, because the mean of its divisors is an integer number (679736844486).

Almost surely, 228053448139712 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 28053448139712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38065263291216).

28053448139712 is an abundant number, since it is smaller than the sum of its proper divisors (48077078442720).

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

28053448139712 is a wasteful number, since it uses less digits than its factorization.

28053448139712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4472246 (or 4472236 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 57.

The spelling of 28053448139712 in words is "twenty-eight trillion, fifty-three billion, four hundred forty-eight million, one hundred thirty-nine thousand, seven hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 32 41 48 64 82 96 123 164 192 246 328 492 656 797 984 1312 1594 1968 2391 2624 3188 3936 4782 6376 7872 9564 12752 19128 25504 32677 38256 51008 65354 76512 98031 130708 153024 196062 261416 392124 522832 784248 1045664 1568496 2091328 3136992 4471393 6273984 8942786 13414179 17885572 26828358 35771144 53656716 71542288 107313432 143084576 183327113 214626864 286169152 366654226 429253728 549981339 733308452 858507456 1099962678 1466616904 2199925356 2933233808 3563700221 4399850712 5866467616 7127400442 8799701424 10691100663 11732935232 14254800884 17599402848 21382201326 28509601768 35198805696 42764402652 57019203536 85528805304 114038407072 146111709061 171057610608 228076814144 292223418122 342115221216 438335127183 584446836244 684230442432 876670254366 1168893672488 1753340508732 2337787344976 3506681017464 4675574689952 7013362034928 9351149379904 14026724069856 28053448139712