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13010310100 = 2252130103101
BaseRepresentation
bin11000001110111100…
…11001001111010100
31020120201012020021001
430013132121033110
5203121114410400
65551000033044
7640256545144
oct140736311724
936521166231
1013010310100
115576a875a7
122631162784
1312c4571758
148b5c90924
155122dba6a
hex3077993d4

13010310100 has 18 divisors (see below), whose sum is σ = 28232373134. Its totient is φ = 5204124000.

The previous prime is 13010310073. The next prime is 13010310101. The reversal of 13010310100 is 101301031.

It can be written as a sum of positive squares in 3 ways, for example, as 1548894736 + 11461415364 = 39356^2 + 107058^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13010310101) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 65051451 + ... + 65051650.

Almost surely, 213010310100 is an apocalyptic number.

13010310100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13010310100 is an abundant number, since it is smaller than the sum of its proper divisors (15222063034).

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

13010310100 is a wasteful number, since it uses less digits than its factorization.

13010310100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130103115 (or 130103108 counting only the distinct ones).

The product of its (nonzero) digits is 9, while the sum is 10.

Adding to 13010310100 its reverse (101301031), we get a palindrome (13111611131).

The spelling of 13010310100 in words is "thirteen billion, ten million, three hundred ten thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 130103101 260206202 520412404 650515505 1301031010 2602062020 3252577525 6505155050 13010310100