Search a number
-
+
86740472205774 = 23217747271534069
BaseRepresentation
bin10011101110001111010111…
…000010001001000111001110
3102101010022022122111001022100
4103232033113002021013032
542332123441341041044
6504252004532455530
724161535522412212
oct2356172702110716
9371108278431270
1086740472205774
1125702478271432
12988aa7477a5a6
13395278c4b45aa
14175c392c54942
15a064bab38869
hex4ee3d70891ce

86740472205774 has 24 divisors (see below), whose sum is σ = 187948280300040. Its totient is φ = 28911861424368.

The previous prime is 86740472205769. The next prime is 86740472205797. The reversal of 86740472205774 is 47750227404768.

86740472205774 is a `hidden beast` number, since 8 + 6 + 7 + 40 + 472 + 2 + 0 + 57 + 74 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 135447589 + ... + 136086480.

It is an arithmetic number, because the mean of its divisors is an integer number (7831178345835).

Almost surely, 286740472205774 is an apocalyptic number.

86740472205774 is an abundant number, since it is smaller than the sum of its proper divisors (101207808094266).

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

86740472205774 is a wasteful number, since it uses less digits than its factorization.

86740472205774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271551824 (or 271551821 counting only the distinct ones).

The product of its (nonzero) digits is 147517440, while the sum is 63.

The spelling of 86740472205774 in words is "eighty-six trillion, seven hundred forty billion, four hundred seventy-two million, two hundred five thousand, seven hundred seventy-four".

Divisors: 1 2 3 6 9 18 17747 35494 53241 106482 159723 319446 271534069 543068138 814602207 1629204414 2443806621 4887613242 4818915122543 9637830245086 14456745367629 28913490735258 43370236102887 86740472205774