Search a number
-
+
420024035245 = 5145357814733
BaseRepresentation
bin1100001110010110110…
…00100010011110101101
31111011011012022202101211
412013023120202132231
523340202123111440
6520542324434421
742226405251343
oct6071330423655
91434135282354
10420024035245
11152149688461
12694a1248a11
13307b9caccc9
1416487743993
15add4810eea
hex61cb6227ad

420024035245 has 8 divisors (see below), whose sum is σ = 504375739416. Its totient is φ = 335787963456.

The previous prime is 420024035243. The next prime is 420024035251. The reversal of 420024035245 is 542530420024.

It can be written as a sum of positive squares in 4 ways, for example, as 59209975561 + 360814059684 = 243331^2 + 600678^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 420024035245 - 21 = 420024035243 is a prime.

It is a super-3 number, since 3×4200240352453 (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420024035243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28900102 + ... + 28914631.

It is an arithmetic number, because the mean of its divisors is an integer number (63046967427).

Almost surely, 2420024035245 is an apocalyptic number.

It is an amenable number.

420024035245 is a deficient number, since it is larger than the sum of its proper divisors (84351704171).

420024035245 is a wasteful number, since it uses less digits than its factorization.

420024035245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57816191.

The product of its (nonzero) digits is 38400, while the sum is 31.

Adding to 420024035245 its reverse (542530420024), we get a palindrome (962554455269).

The spelling of 420024035245 in words is "four hundred twenty billion, twenty-four million, thirty-five thousand, two hundred forty-five".

Divisors: 1 5 1453 7265 57814733 289073665 84004807049 420024035245