Search a number
-
+
101012321105 = 5239673712547
BaseRepresentation
bin101111000010011001…
…1011011001101010001
3100122201201111120201222
41132010303123031101
53123333123233410
6114223204334425
710204115363663
oct1360463331521
9318651446658
10101012321105
1139925904a13
12176b09a4415
1396aa471b07
144c63698533
152963051955
hex1784cdb351

101012321105 has 16 divisors (see below), whose sum is σ = 121749730560. Its totient is φ = 80453382912.

The previous prime is 101012321099. The next prime is 101012321117. The reversal of 101012321105 is 501123210101.

It is a cyclic number.

It is not a de Polignac number, because 101012321105 - 230 = 99938579281 is a prime.

It is an unprimeable number.

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, 8044442 + ... + 8056988.

It is an arithmetic number, because the mean of its divisors is an integer number (7609358160).

Almost surely, 2101012321105 is an apocalyptic number.

It is an amenable number.

101012321105 is a deficient number, since it is larger than the sum of its proper divisors (20737409455).

101012321105 is a wasteful number, since it uses less digits than its factorization.

101012321105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19528.

The product of its (nonzero) digits is 60, while the sum is 17.

Adding to 101012321105 its reverse (501123210101), we get a palindrome (602135531206).

The spelling of 101012321105 in words is "one hundred one billion, twelve million, three hundred twenty-one thousand, one hundred five".

Divisors: 1 5 239 1195 6737 12547 33685 62735 1610143 2998733 8050715 14993665 84529139 422645695 20202464221 101012321105