Search a number
-
+
1445650421411 = 71771171103139
BaseRepresentation
bin10101000010010111011…
…110101101011010100011
312010012110212022110222102
4111002113132231122203
5142141143001441121
63024042253401015
7206305364555450
oct25022736553243
95105425273872
101445650421411
11508107a7a599
121b421549916b
13a642a4b8a51
144dd813c8827
1527910c2a90b
hex150977ad6a3

1445650421411 has 16 divisors (see below), whose sum is σ = 1773997355520. Its totient is φ = 1149813087360.

The previous prime is 1445650421389. The next prime is 1445650421441. The reversal of 1445650421411 is 1141240565441.

It is not a de Polignac number, because 1445650421411 - 234 = 1428470552227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1445650421441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85543121 + ... + 85560018.

It is an arithmetic number, because the mean of its divisors is an integer number (110874834720).

Almost surely, 21445650421411 is an apocalyptic number.

1445650421411 is a deficient number, since it is larger than the sum of its proper divisors (328346934109).

1445650421411 is a wasteful number, since it uses less digits than its factorization.

1445650421411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171103234.

The product of its (nonzero) digits is 76800, while the sum is 38.

Adding to 1445650421411 its reverse (1141240565441), we get a palindrome (2586890986852).

The spelling of 1445650421411 in words is "one trillion, four hundred forty-five billion, six hundred fifty million, four hundred twenty-one thousand, four hundred eleven".

Divisors: 1 7 17 71 119 497 1207 8449 171103139 1197721973 2908753363 12148322869 20361273541 85038260083 206521488773 1445650421411