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461388166082704 = 2472139255192
BaseRepresentation
bin110100011101000010100110…
…1101111100011000010010000
32020111122021111121001010212201
41220322011031233203002100
5440433340431004121304
64313142444122132544
7166120123605036400
oct15072051557430220
92214567447033781
10461388166082704
11124015693430853
12438b814b351154
1316a5a9430ab883
1481d1440a42800
153851b71e7a3a4
hex1a3a14dbe3090

461388166082704 has 135 divisors (see below), whose sum is σ = 1047613745832147. Its totient is φ = 196279640673984.

The previous prime is 461388166082629. The next prime is 461388166082707. The reversal of 461388166082704 is 407280661883164.

The square root of 461388166082704 is 21479948.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (461388166082707) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 83599954857 + ... + 83599960375.

Almost surely, 2461388166082704 is an apocalyptic number.

461388166082704 is the 21479948-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 461388166082704

461388166082704 is an abundant number, since it is smaller than the sum of its proper divisors (586225579749443).

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

461388166082704 is an frugal number, since it uses more digits than its factorization.

461388166082704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11338 (or 5667 counting only the distinct ones).

The product of its (nonzero) digits is 74317824, while the sum is 64.

The spelling of 461388166082704 in words is "four hundred sixty-one trillion, three hundred eighty-eight billion, one hundred sixty-six million, eighty-two thousand, seven hundred four".

Divisors: 1 2 4 7 8 14 16 28 49 56 98 112 139 196 278 392 556 784 973 1112 1946 2224 3892 5519 6811 7784 11038 13622 15568 19321 22076 27244 38633 38642 44152 54488 77266 77284 88304 108976 135247 154532 154568 270431 270494 309064 309136 540862 540988 618128 767141 946729 1081724 1081976 1534282 1893458 2163448 2163952 3068564 3786916 4326896 5369987 6137128 7573832 10739974 12274256 15147664 21479948 30459361 37589909 42959896 60918722 75179818 85919792 106632599 121837444 150359636 213215527 213265198 243674888 300719272 426431054 426530396 487349776 601438544 746428193 852862108 853060792 1492508689 1492856386 1705724216 1706121584 2985017378 2985712772 3411448432 4233851179 5224997351 5970034756 5971425544 8467702358 10449994702 11940069512 11942851088 16935404716 20899989404 23880139024 29636958253 33870809432 41799978808 59273916506 67741618864 83599957616 118547833012 207458707771 237095666024 414917415542 474191332048 588505313881 829834831084 1177010627762 1659669662168 2354021255524 3319339324336 4119537197167 4708042511048 8239074394334 9416085022096 16478148788668 28836760380169 32956297577336 57673520760338 65912595154672 115347041520676 230694083041352 461388166082704