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13111210000 = 24547187303
BaseRepresentation
bin11000011010111110…
…10011000000010000
31020211202001110220101
430031133103000100
5203322432210000
610005002422144
7642623306020
oct141537230020
936752043811
1013111210000
115618a33149
12265ab01954
13130c43ba35
148c5437a80
1551b0bce6a
hex30d7d3010

13111210000 has 100 divisors (see below), whose sum is σ = 36278537152. Its totient is φ = 4495248000.

The previous prime is 13111209989. The next prime is 13111210093. The reversal of 13111210000 is 1211131.

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 (10).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 23652 + ... + 163651.

Almost surely, 213111210000 is an apocalyptic number.

13111210000 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 13111210000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18139268576).

13111210000 is an abundant number, since it is smaller than the sum of its proper divisors (23167327152).

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

13111210000 is an equidigital number, since it uses as much as digits as its factorization.

13111210000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187338 (or 187317 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 10.

Adding to 13111210000 its reverse (1211131), we get a palindrome (13112421131).

The spelling of 13111210000 in words is "thirteen billion, one hundred eleven million, two hundred ten thousand".

Divisors: 1 2 4 5 7 8 10 14 16 20 25 28 35 40 50 56 70 80 100 112 125 140 175 200 250 280 350 400 500 560 625 700 875 1000 1250 1400 1750 2000 2500 2800 3500 4375 5000 7000 8750 10000 14000 17500 35000 70000 187303 374606 749212 936515 1311121 1498424 1873030 2622242 2996848 3746060 4682575 5244484 6555605 7492120 9365150 10488968 13111210 14984240 18730300 20977936 23412875 26222420 32778025 37460600 46825750 52444840 65556050 74921200 93651500 104889680 117064375 131112100 163890125 187303000 234128750 262224200 327780250 374606000 468257500 524448400 655560500 819450625 936515000 1311121000 1638901250 1873030000 2622242000 3277802500 6555605000 13111210000