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10001300000 = 2555103971
BaseRepresentation
bin10010101000001111…
…11011101000100000
3221211000012200101112
421110013323220200
5130440313100000
64332230322452
7502561435016
oct112407735040
927730180345
1010001300000
11427252279a
121b314b9428
13c350540c3
146ac3c08b6
153d8068235
hex2541fba20

10001300000 has 144 divisors (see below), whose sum is σ = 24875532864. Its totient is φ = 3957600000.

The previous prime is 10001299963. The next prime is 10001300003. The reversal of 10001300000 is 310001.

It is a Harshad number since it is a multiple of its sum of digits (5).

It is not an unprimeable number, because it can be changed into a prime (10001300003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10299515 + ... + 10300485.

It is an arithmetic number, because the mean of its divisors is an integer number (172746756).

Almost surely, 210001300000 is an apocalyptic number.

10001300000 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 10001300000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12437766432).

10001300000 is an abundant number, since it is smaller than the sum of its proper divisors (14874232864).

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

10001300000 is an frugal number, since it uses more digits than its factorization.

10001300000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1109 (or 1081 counting only the distinct ones).

The product of its (nonzero) digits is 3, while the sum is 5.

Adding to 10001300000 its reverse (310001), we get a palindrome (10001610001).

The spelling of 10001300000 in words is "ten billion, one million, three hundred thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 103 125 160 200 206 250 400 412 500 515 625 800 824 971 1000 1030 1250 1648 1942 2000 2060 2500 2575 3125 3296 3884 4000 4120 4855 5000 5150 6250 7768 8240 9710 10000 10300 12500 12875 15536 16480 19420 20000 20600 24275 25000 25750 31072 38840 41200 48550 50000 51500 64375 77680 82400 97100 100000 100013 103000 121375 128750 155360 194200 200026 206000 242750 257500 321875 388400 400052 412000 485500 500065 515000 606875 643750 776800 800104 971000 1000130 1030000 1213750 1287500 1600208 1942000 2000260 2060000 2427500 2500325 2575000 3034375 3200416 3884000 4000520 4855000 5000650 5150000 6068750 8001040 9710000 10001300 10300000 12137500 12501625 16002080 19420000 20002600 24275000 25003250 40005200 48550000 50006500 62508125 80010400 97100000 100013000 125016250 200026000 250032500 312540625 400052000 500065000 625081250 1000130000 1250162500 2000260000 2500325000 5000650000 10001300000