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130322482578 = 23411322512
BaseRepresentation
bin111100101011111010…
…0110100010110010010
3110110101101202001120000
41321113310310112102
54113400023420303
6135511435030430
712262340552541
oct1712764642622
9413341661500
10130322482578
11502a670a062
122131089b416
13c39b944a22
146444252158
1535cb313da3
hex1e57d34592

130322482578 has 90 divisors (see below), whose sum is σ = 295804488837. Its totient is φ = 42884856000.

The previous prime is 130322482531. The next prime is 130322482597. The reversal of 130322482578 is 875284223031.

130322482578 is a `hidden beast` number, since 1 + 3 + 0 + 32 + 2 + 48 + 2 + 578 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 82307593449 + 48014889129 = 286893^2 + 219123^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=255267.

It is a super-2 number, since 2×1303224825782 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 519212953 + ... + 519213203.

Almost surely, 2130322482578 is an apocalyptic number.

130322482578 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 130322482578

130322482578 is an abundant number, since it is smaller than the sum of its proper divisors (165482006259).

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

130322482578 is an frugal number, since it uses more digits than its factorization.

130322482578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742 (or 369 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The spelling of 130322482578 in words is "one hundred thirty billion, three hundred twenty-two million, four hundred eighty-two thousand, five hundred seventy-eight".

Divisors: 1 2 3 6 9 18 27 54 81 113 162 226 251 339 502 678 753 1017 1506 2034 2259 3051 4518 6102 6777 9153 12769 13554 18306 20331 25538 28363 38307 40662 56726 63001 76614 85089 114921 126002 170178 189003 229842 255267 344763 378006 510534 567009 689526 765801 1034289 1134018 1531602 1701027 2068578 2297403 3205019 3402054 4594806 5103081 6410038 7119113 9615057 10206162 14238226 19230114 21357339 28845171 42714678 57690342 64072017 86535513 128144034 173071026 192216051 259606539 384432102 519213078 576648153 804459769 1153296306 1608919538 2413379307 4826758614 7240137921 14480275842 21720413763 43440827526 65161241289 130322482578