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56487057228 = 223271911797631
BaseRepresentation
bin110100100110111001…
…000001011101001100
312101210200100211012200
4310212321001131030
51411141141312403
641541053401500
74036542031020
oct644671013514
9171720324180
1056487057228
1121a57520178
12ab45499290
135432a0b724
142a3c0c6380
15170913aca3
hexd26e4174c

56487057228 has 72 divisors (see below), whose sum is σ = 171773521920. Its totient is φ = 15289728480.

The previous prime is 56487057227. The next prime is 56487057233. The reversal of 56487057228 is 82275078465.

56487057228 is a `hidden beast` number, since 5 + 6 + 48 + 7 + 0 + 572 + 28 = 666.

It is not an unprimeable number, because it can be changed into a prime (56487057227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5894028 + ... + 5903603.

It is an arithmetic number, because the mean of its divisors is an integer number (2385743360).

Almost surely, 256487057228 is an apocalyptic number.

It is an amenable number.

56487057228 is an abundant number, since it is smaller than the sum of its proper divisors (115286464692).

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

56487057228 is a wasteful number, since it uses less digits than its factorization.

56487057228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11797667 (or 11797662 counting only the distinct ones).

The product of its (nonzero) digits is 7526400, while the sum is 54.

The spelling of 56487057228 in words is "fifty-six billion, four hundred eighty-seven million, fifty-seven thousand, two hundred twenty-eight".

Divisors: 1 2 3 4 6 7 9 12 14 18 19 21 28 36 38 42 57 63 76 84 114 126 133 171 228 252 266 342 399 532 684 798 1197 1596 2394 4788 11797631 23595262 35392893 47190524 70785786 82583417 106178679 141571572 165166834 212357358 224154989 247750251 330333668 424714716 448309978 495500502 672464967 743250753 896619956 991001004 1344929934 1486501506 1569084923 2017394901 2689859868 2973003012 3138169846 4034789802 4707254769 6276339692 8069579604 9414509538 14121764307 18829019076 28243528614 56487057228