Search a number
-
+
64484271434999 = 1326979012333867
BaseRepresentation
bin11101010100101111010100…
…00101111010110011110111
322110022122011202020001011102
432222113222011322303313
531423002241441404444
6345051355414000315
716403556234266453
oct1652275205726367
9273278152201142
1064484271434999
111960169813a519
12729559804609b
1329c9ac10477a0
1411cd0abdc3663
1576c5b591584e
hex3aa5ea17acf7

64484271434999 has 16 divisors (see below), whose sum is σ = 69711610258080. Its totient is φ = 59295133142400.

The previous prime is 64484271434983. The next prime is 64484271435029. The reversal of 64484271434999 is 99943417248446.

It is a cyclic number.

It is not a de Polignac number, because 64484271434999 - 24 = 64484271434983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64484271424999) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26462864 + ... + 28796730.

It is an arithmetic number, because the mean of its divisors is an integer number (4356975641130).

Almost surely, 264484271434999 is an apocalyptic number.

64484271434999 is a deficient number, since it is larger than the sum of its proper divisors (5227338823081).

64484271434999 is a wasteful number, since it uses less digits than its factorization.

64484271434999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2342050.

The product of its digits is 1504935936, while the sum is 74.

The spelling of 64484271434999 in words is "sixty-four trillion, four hundred eighty-four billion, two hundred seventy-one million, four hundred thirty-four thousand, nine hundred ninety-nine".

Divisors: 1 13 269 3497 7901 102713 2125369 2333867 27629797 30340271 627810223 8161532899 18439883167 239718481171 4960328571923 64484271434999