Search a number
-
+
10311231260 = 22511149931267
BaseRepresentation
bin10011001101001100…
…01110011100011100
3222121121101211011002
421212212032130130
5132104133400020
64423101245432
7513344006501
oct114646163434
928547354132
1010311231260
11441146a730
121bb9263878
13c8431b395
146db61b4a8
15405389975
hex26698e71c

10311231260 has 48 divisors (see below), whose sum is σ = 23638608000. Its totient is φ = 3746917440.

The previous prime is 10311231257. The next prime is 10311231283. The reversal of 10311231260 is 6213211301.

10311231260 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 314147 + ... + 345413.

It is an arithmetic number, because the mean of its divisors is an integer number (492471000).

Almost surely, 210311231260 is an apocalyptic number.

10311231260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10311231260 is an abundant number, since it is smaller than the sum of its proper divisors (13327376740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10311231260 is a wasteful number, since it uses less digits than its factorization.

10311231260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32786 (or 32784 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 10311231260 its reverse (6213211301), we get a palindrome (16524442561).

The spelling of 10311231260 in words is "ten billion, three hundred eleven million, two hundred thirty-one thousand, two hundred sixty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 1499 2998 5996 7495 14990 16489 29980 31267 32978 62534 65956 82445 125068 156335 164890 312670 329780 343937 625340 687874 1375748 1719685 3439370 6878740 46869233 93738466 187476932 234346165 468692330 515561563 937384660 1031123126 2062246252 2577807815 5155615630 10311231260