Search a number
-
+
450005542025 = 52131384632437
BaseRepresentation
bin1101000110001100110…
…10111010010010001001
31121000112122211002211212
412203012122322102021
524333102404321100
6542421340302505
744340361665164
oct6430632722211
91530478732755
10450005542025
11163934440236
1273269b41a35
133358759b770
1417acd536adb
15ba8b9d5635
hex68c66ba489

450005542025 has 12 divisors (see below), whose sum is σ = 600930478092. Its totient is φ = 332311784640.

The previous prime is 450005542001. The next prime is 450005542031. The reversal of 450005542025 is 520245500054.

It can be written as a sum of positive squares in 6 ways, for example, as 3316492921 + 446689049104 = 57589^2 + 668348^2 .

It is not a de Polignac number, because 450005542025 - 212 = 450005537929 is a prime.

It is a super-2 number, since 2×4500055420252 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 450005541982 and 450005542000.

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, 692315894 + ... + 692316543.

It is an arithmetic number, because the mean of its divisors is an integer number (50077539841).

Almost surely, 2450005542025 is an apocalyptic number.

It is an amenable number.

450005542025 is a deficient number, since it is larger than the sum of its proper divisors (150924936067).

450005542025 is a wasteful number, since it uses less digits than its factorization.

450005542025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1384632460 (or 1384632455 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 32.

The spelling of 450005542025 in words is "four hundred fifty billion, five million, five hundred forty-two thousand, twenty-five".

Divisors: 1 5 13 25 65 325 1384632437 6923162185 18000221681 34615810925 90001108405 450005542025