Search a number
-
+
52445413501 = 138945328793
BaseRepresentation
bin110000110101111111…
…011000000001111101
312000101000022001022021
4300311333120001331
51324402011213001
640032035120141
73534434442115
oct606577300175
9160330261267
1052445413501
1120273083448
12a1b7a43051
134c3a599270
142777412045
15156e3dbba1
hexc35fd807d

52445413501 has 8 divisors (see below), whose sum is σ = 57114280440. Its totient is φ = 47867204352.

The previous prime is 52445413477. The next prime is 52445413513. The reversal of 52445413501 is 10531454425.

It can be written as a sum of positive squares in 4 ways, for example, as 5787253476 + 46658160025 = 76074^2 + 216005^2 .

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 52445413501 - 211 = 52445411453 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 (52445413541) 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, 22663240 + ... + 22665553.

It is an arithmetic number, because the mean of its divisors is an integer number (7139285055).

Almost surely, 252445413501 is an apocalyptic number.

It is an amenable number.

52445413501 is a deficient number, since it is larger than the sum of its proper divisors (4668866939).

52445413501 is a wasteful number, since it uses less digits than its factorization.

52445413501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45328895.

The product of its (nonzero) digits is 48000, while the sum is 34.

Adding to 52445413501 its reverse (10531454425), we get a palindrome (62976867926).

The spelling of 52445413501 in words is "fifty-two billion, four hundred forty-five million, four hundred thirteen thousand, five hundred one".

Divisors: 1 13 89 1157 45328793 589274309 4034262577 52445413501