Search a number
-
+
13102010000 = 245410491249
BaseRepresentation
bin11000011001111000…
…01100111010010000
31020211002202001212122
430030330030322100
5203313103310000
610004033313412
7642452150612
oct141474147220
936732661778
1013102010000
11561381a042
122657a05868
13130a56a351
148c4120db2
1551a3a2085
hex30cf0ce90

13102010000 has 100 divisors (see below), whose sum is σ = 31776937500. Its totient is φ = 5231616000.

The previous prime is 13102009981. The next prime is 13102010003. The reversal of 13102010000 is 1020131.

It can be written as a sum of positive squares in 10 ways, for example, as 7746112144 + 5355897856 = 88012^2 + 73184^2 .

It is a tau number, because it is divible by the number of its divisors (100).

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a self number, because there is not a number n which added to its sum of digits gives 13102010000.

It is not an unprimeable number, because it can be changed into a prime (13102010003) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 10489376 + ... + 10490624.

It is an arithmetic number, because the mean of its divisors is an integer number (317769375).

Almost surely, 213102010000 is an apocalyptic number.

13102010000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13102010000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15888468750).

13102010000 is an abundant number, since it is smaller than the sum of its proper divisors (18674927500).

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

13102010000 is a wasteful number, since it uses less digits than its factorization.

13102010000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2326 (or 2305 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 8.

Adding to 13102010000 its reverse (1020131), we get a palindrome (13103030131).

The spelling of 13102010000 in words is "thirteen billion, one hundred two million, ten thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 625 1000 1049 1249 1250 2000 2098 2498 2500 4196 4996 5000 5245 6245 8392 9992 10000 10490 12490 16784 19984 20980 24980 26225 31225 41960 49960 52450 62450 83920 99920 104900 124900 131125 156125 209800 249800 262250 312250 419600 499600 524500 624500 655625 780625 1049000 1249000 1310201 1311250 1561250 2098000 2498000 2620402 2622500 3122500 5240804 5245000 6245000 6551005 10481608 10490000 12490000 13102010 20963216 26204020 32755025 52408040 65510050 104816080 131020100 163775125 262040200 327550250 524080400 655100500 818875625 1310201000 1637751250 2620402000 3275502500 6551005000 13102010000