Search a number
-
+
281129400366074 = 213241421836312743
BaseRepresentation
bin111111111010111110001010…
…000010110111001111111010
31100212101201010021112012012022
4333322332022002313033322
5243322011002443203244
62433525021423314442
7113133633421235531
oct7772761202671772
91325351107465168
10281129400366074
1181638344529687
122764491744ba22
13c0b3508c93380
144d5ca425db318
152277c4a6086ee
hexffaf8a0b73fa

281129400366074 has 64 divisors (see below), whose sum is σ = 457190180713728. Its totient is φ = 128881191398400.

The previous prime is 281129400366041. The next prime is 281129400366097. The reversal of 281129400366074 is 470663004921182.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22061470547 + ... + 22061483289.

It is an arithmetic number, because the mean of its divisors is an integer number (7143596573652).

Almost surely, 2281129400366074 is an apocalyptic number.

281129400366074 is a deficient number, since it is larger than the sum of its proper divisors (176060780347654).

281129400366074 is a wasteful number, since it uses less digits than its factorization.

281129400366074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21783.

The product of its (nonzero) digits is 3483648, while the sum is 53.

The spelling of 281129400366074 in words is "two hundred eighty-one trillion, one hundred twenty-nine billion, four hundred million, three hundred sixty-six thousand, seventy-four".

Divisors: 1 2 13 26 241 421 482 842 3133 5473 6266 8363 10946 12743 16726 25486 101461 108719 165659 202922 217438 331318 1318993 2015483 2637986 3071063 3520823 4030966 5364803 6142126 7041646 10729606 26201279 39923819 45770699 52402558 69742439 79847638 91541398 106569709 139484878 213139418 848518343 1292917523 1385406217 1697036686 2585835046 2770812434 11030738459 16807927799 22061476918 25683299869 33615855598 44865847489 51366599738 89731694978 333882898297 583256017357 667765796594 1166512034714 10812669244849 21625338489698 140564700183037 281129400366074