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472428726084865 = 51124678131669201
BaseRepresentation
bin110101101101010111110001…
…0011001100110010100000001
32021221201202010012111102020101
41223122233202121212110001
5443410233012334203430
64352434432143242401
7201336564145454134
oct15332574231462401
92257652105442211
10472428726084865
11127591996757700
1244b9ba285a9401
131737bab75b81b4
14849395acba21b
153993e4e387dca
hex1adabe2666501

472428726084865 has 24 divisors (see below), whose sum is σ = 623139099413544. Its totient is φ = 343583587776000.

The previous prime is 472428726084851. The next prime is 472428726084871. The reversal of 472428726084865 is 568480627824274.

It can be written as a sum of positive squares in 4 ways, for example, as 108933453020161 + 363495273064704 = 10437119^2 + 19065552^2 .

It is a de Polignac number, because none of the positive numbers 2k-472428726084865 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 282192265 + ... + 283861465.

It is an arithmetic number, because the mean of its divisors is an integer number (25964129142231).

Almost surely, 2472428726084865 is an apocalyptic number.

It is an amenable number.

472428726084865 is a deficient number, since it is larger than the sum of its proper divisors (150710373328679).

472428726084865 is a wasteful number, since it uses less digits than its factorization.

472428726084865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2137041 (or 2137030 counting only the distinct ones).

The product of its (nonzero) digits is 2312110080, while the sum is 73.

The spelling of 472428726084865 in words is "four hundred seventy-two trillion, four hundred twenty-eight billion, seven hundred twenty-six million, eighty-four thousand, eight hundred sixty-five".

Divisors: 1 5 11 55 121 605 467813 1669201 2339065 5145943 8346005 18361211 25729715 56605373 91806055 201973321 283026865 1009866605 780873927413 3904369637065 8589613201543 42948066007715 94485745216973 472428726084865