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459153956881 = 101267092
BaseRepresentation
bin1101010111001111011…
…01010110000000010001
31121220011020011201202201
412223213231112000101
530010321403110011
6550533222443201
745113156144464
oct6534755260021
91556136151681
10459153956881
111677a9490774
1274ba1893501
13343b4a142a9
141831a5432db
15be24c2bcc1
hex6ae7b56011

459153956881 has 9 divisors (see below), whose sum is σ = 463814179473. Its totient is φ = 454540117200.

The previous prime is 459153956861. The next prime is 459153956887. The reversal of 459153956881 is 188659351954.

The square root of 459153956881 is 677609.

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

It can be written as a sum of positive squares in 4 ways, for example, as 213851678481 + 245302278400 = 462441^2 + 495280^2 .

It is not a de Polignac number, because 459153956881 - 213 = 459153948689 is a prime.

It is a super-2 number, since 2×4591539568812 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (459153956887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 68435155 + ... + 68441863.

Almost surely, 2459153956881 is an apocalyptic number.

459153956881 is the 677609-th square number.

459153956881 is the 338805-th centered octagonal number.

It is an amenable number.

459153956881 is a deficient number, since it is larger than the sum of its proper divisors (4660222592).

459153956881 is an frugal number, since it uses more digits than its factorization.

459153956881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13620 (or 6810 counting only the distinct ones).

The product of its digits is 46656000, while the sum is 64.

Multiplying 459153956881 by its sum of digits (64), we get a square (29385853240384 = 54208722).

The spelling of 459153956881 in words is "four hundred fifty-nine billion, one hundred fifty-three million, nine hundred fifty-six thousand, eight hundred eighty-one".

Divisors: 1 101 6709 10201 677609 45010681 68438509 4546078781 459153956881