Search a number
-
+
10320121311 = 317943943777
BaseRepresentation
bin10011001110010000…
…01000110111011111
3222122020010111000020
421213020020313133
5132113422340221
64424020003223
7513512404143
oct114710106737
928566114006
1010320121311
114416491985
122000230513
13c86111976
146dc893223
15406043ac6
hex267208ddf

10320121311 has 16 divisors (see below), whose sum is σ = 13868870400. Its totient is φ = 6825904128.

The previous prime is 10320121297. The next prime is 10320121373. The reversal of 10320121311 is 11312102301.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2k-10320121311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10320121381) 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, 213855 + ... + 257631.

It is an arithmetic number, because the mean of its divisors is an integer number (866804400).

Almost surely, 210320121311 is an apocalyptic number.

10320121311 is a deficient number, since it is larger than the sum of its proper divisors (3548749089).

10320121311 is a wasteful number, since it uses less digits than its factorization.

10320121311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44398.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 10320121311 its reverse (11312102301), we get a palindrome (21632223612).

The spelling of 10320121311 in words is "ten billion, three hundred twenty million, one hundred twenty-one thousand, three hundred eleven".

Divisors: 1 3 179 439 537 1317 43777 78581 131331 235743 7836083 19218103 23508249 57654309 3440040437 10320121311