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2580428729664 = 263310713956109
BaseRepresentation
bin100101100011001101100…
…010011010110101000000
3100010200112111220100202000
4211203031202122311000
5314234204223322124
65253233235024000
7354300300205632
oct45431542326500
910120474810660
102580428729664
119053988232a5
1235813043b000
131594445a7236
148cc71770a52
15471c9a6a6c9
hex258cd89ad40

2580428729664 has 112 divisors (see below), whose sum is σ = 7656880190400. Its totient is φ = 852104130048.

The previous prime is 2580428729653. The next prime is 2580428729677. The reversal of 2580428729664 is 4669278240852.

2580428729664 is a `hidden beast` number, since 2 + 5 + 8 + 0 + 4 + 287 + 296 + 64 = 666.

It is a super-3 number, since 3×25804287296643 (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6793159 + ... + 7162950.

It is an arithmetic number, because the mean of its divisors is an integer number (68365001700).

Almost surely, 22580428729664 is an apocalyptic number.

2580428729664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2580428729664 is an abundant number, since it is smaller than the sum of its proper divisors (5076451460736).

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

2580428729664 is a wasteful number, since it uses less digits than its factorization.

2580428729664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13956237 (or 13956221 counting only the distinct ones).

The product of its (nonzero) digits is 92897280, while the sum is 63.

The spelling of 2580428729664 in words is "two trillion, five hundred eighty billion, four hundred twenty-eight million, seven hundred twenty-nine thousand, six hundred sixty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 96 107 108 144 192 214 216 288 321 428 432 576 642 856 864 963 1284 1712 1728 1926 2568 2889 3424 3852 5136 5778 6848 7704 10272 11556 15408 20544 23112 30816 46224 61632 92448 184896 13956109 27912218 41868327 55824436 83736654 111648872 125604981 167473308 223297744 251209962 334946616 376814943 446595488 502419924 669893232 753629886 893190976 1004839848 1339786464 1493303663 1507259772 2009679696 2679572928 2986607326 3014519544 4019359392 4479910989 5973214652 6029039088 8038718784 8959821978 11946429304 12058078176 13439732967 17919643956 23892858608 24116156352 26879465934 35839287912 40319198901 47785717216 53758931868 71678575824 80638397802 95571434432 107517863736 143357151648 161276795604 215035727472 286714303296 322553591208 430071454944 645107182416 860142909888 1290214364832 2580428729664