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102243133443 = 31171103423667
BaseRepresentation
bin101111100111000101…
…0100110100000000011
3100202220111111022212010
41133032022212200003
53133343220232233
6114545253104003
710246452203103
oct1371612464003
9322814438763
10102243133443
113a3a76464a0
1217995028003
139845463c39
144d3cd29203
1529d6126b63
hex17ce2a6803

102243133443 has 32 divisors (see below), whose sum is σ = 152276447232. Its totient is φ = 60499504800.

The previous prime is 102243133403. The next prime is 102243133519. The reversal of 102243133443 is 344331342201.

It is a happy number.

It is not a de Polignac number, because 102243133443 - 212 = 102243129347 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102243133443.

It is not an unprimeable number, because it can be changed into a prime (102243133403) 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 31 ways as a sum of consecutive naturals, for example, 29496 + ... + 453162.

It is an arithmetic number, because the mean of its divisors is an integer number (4758638976).

Almost surely, 2102243133443 is an apocalyptic number.

102243133443 is a deficient number, since it is larger than the sum of its proper divisors (50033313789).

102243133443 is a wasteful number, since it uses less digits than its factorization.

102243133443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423855.

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 102243133443 its reverse (344331342201), we get a palindrome (446574475644).

The spelling of 102243133443 in words is "one hundred two billion, two hundred forty-three million, one hundred thirty-three thousand, four hundred forty-three".

Divisors: 1 3 11 33 71 103 213 309 781 1133 2343 3399 7313 21939 80443 241329 423667 1271001 4660337 13981011 30080357 43637701 90241071 130913103 330883927 480014711 992651781 1440044133 3098276771 9294830313 34081044481 102243133443