Search a number
-
+
20350241439 = 3111016105683
BaseRepresentation
bin10010111100111110…
…000000101010011111
31221112020120101011220
4102330332000222133
5313134130211224
613203200144423
71320204124653
oct227476005237
957466511156
1020350241439
1186a31a9660
123b3b308113
131bc41169a8
14db0a16a63
157e18a1279
hex4bcf80a9f

20350241439 has 16 divisors (see below), whose sum is σ = 29893428864. Its totient is φ = 12211364000.

The previous prime is 20350241423. The next prime is 20350241477. The reversal of 20350241439 is 93414205302.

It is not a de Polignac number, because 20350241439 - 24 = 20350241423 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20350241419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3049509 + ... + 3056174.

It is an arithmetic number, because the mean of its divisors is an integer number (1868339304).

Almost surely, 220350241439 is an apocalyptic number.

20350241439 is a deficient number, since it is larger than the sum of its proper divisors (9543187425).

20350241439 is a wasteful number, since it uses less digits than its factorization.

20350241439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6105798.

The product of its (nonzero) digits is 25920, while the sum is 33.

The spelling of 20350241439 in words is "twenty billion, three hundred fifty million, two hundred forty-one thousand, four hundred thirty-nine".

Divisors: 1 3 11 33 101 303 1111 3333 6105683 18317049 67162513 201487539 616673983 1850021949 6783413813 20350241439