Search a number
-
+
103112130000100 = 225213320924717053
BaseRepresentation
bin10111011100011110101001…
…111000010111010011100100
3111112002102102121221222221111
4113130132221320113103210
5102003342120240000400
61003145020353154404
730501414463522534
oct2734365170272344
9445072377858844
10103112130000100
112a944677291621
12b6939a385ba04
13456c580535920
141b66921b474c4
15bdc2b30ec3ba
hex5dc7a9e174e4

103112130000100 has 72 divisors (see below), whose sum is σ = 241040216266920. Its totient is φ = 38060305351680.

The previous prime is 103112130000091. The next prime is 103112130000161. The reversal of 103112130000100 is 1000031211301.

It can be written as a sum of positive squares in 12 ways, for example, as 74103586422336 + 29008543577764 = 8608344^2 + 5385958^2 .

It is a super-2 number, since 2×1031121300001002 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8186827 + ... + 16530226.

It is an arithmetic number, because the mean of its divisors is an integer number (3347780781485).

Almost surely, 2103112130000100 is an apocalyptic number.

103112130000100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103112130000100 is an abundant number, since it is smaller than the sum of its proper divisors (137928086266820).

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

103112130000100 is a wasteful number, since it uses less digits than its factorization.

103112130000100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24720289 (or 24720282 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 103112130000100 its reverse (1000031211301), we get a palindrome (104112161211401).

The spelling of 103112130000100 in words is "one hundred three trillion, one hundred twelve billion, one hundred thirty million, one hundred", and thus it is an aban number.

Divisors: 1 2 4 5 10 13 20 25 26 50 52 65 100 130 260 325 650 1300 3209 6418 12836 16045 32090 41717 64180 80225 83434 160450 166868 208585 320900 417170 834340 1042925 2085850 4171700 24717053 49434106 98868212 123585265 247170530 321321689 494341060 617926325 642643378 1235852650 1285286756 1606608445 2471705300 3213216890 6426433780 8033042225 16066084450 32132168900 79317023077 158634046154 317268092308 396585115385 793170230770 1031121300001 1586340461540 1982925576925 2062242600002 3965851153850 4124485200004 5155606500005 7931702307700 10311213000010 20622426000020 25778032500025 51556065000050 103112130000100