Search a number
-
+
501303343141 = 749966849359
BaseRepresentation
bin1110100101110000000…
…00011111100000100101
31202220221200200101220201
413102320000133200211
531203132123440031
61022143502230501
751134523052516
oct7227000374045
91686850611821
10501303343141
11183668739497
12811a5585431
1338371186633
141a398374a0d
15d090283d61
hex74b801f825

501303343141 has 4 divisors (see below), whose sum is σ = 501370200000. Its totient is φ = 501236486284.

The previous prime is 501303343109. The next prime is 501303343243. The reversal of 501303343141 is 141343303105.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 141343303105 = 528268660621.

It is a cyclic number.

It is not a de Polignac number, because 501303343141 - 25 = 501303343109 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 (501303343841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33417181 + ... + 33432178.

It is an arithmetic number, because the mean of its divisors is an integer number (125342550000).

Almost surely, 2501303343141 is an apocalyptic number.

It is an amenable number.

501303343141 is a deficient number, since it is larger than the sum of its proper divisors (66856859).

501303343141 is an equidigital number, since it uses as much as digits as its factorization.

501303343141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66856858.

The product of its (nonzero) digits is 6480, while the sum is 28.

Adding to 501303343141 its reverse (141343303105), we get a palindrome (642646646246).

The spelling of 501303343141 in words is "five hundred one billion, three hundred three million, three hundred forty-three thousand, one hundred forty-one".

Divisors: 1 7499 66849359 501303343141