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13010022100 = 22521015412381
BaseRepresentation
bin11000001110111010…
…10010111011010100
31020120200122121012101
430013131102323110
5203121031201400
65550545531444
7640254235405
oct140735227324
936520577171
1013010022100
115576900189
122631043b84
1312c44a063a
148b5c179ac
1551228156a
hex307752ed4

13010022100 has 72 divisors (see below), whose sum is σ = 28575967896. Its totient is φ = 5140800000.

The previous prime is 13010022071. The next prime is 13010022119. The reversal of 13010022100 is 122001031.

It can be written as a sum of positive squares in 12 ways, for example, as 5035889296 + 7974132804 = 70964^2 + 89298^2 .

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

It is a congruent number.

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, 5462910 + ... + 5465290.

It is an arithmetic number, because the mean of its divisors is an integer number (396888443).

Almost surely, 213010022100 is an apocalyptic number.

13010022100 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 13010022100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14287983948).

13010022100 is an abundant number, since it is smaller than the sum of its proper divisors (15565945796).

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

13010022100 is a wasteful number, since it uses less digits than its factorization.

13010022100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3037 (or 3030 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 13010022100 its reverse (122001031), we get a palindrome (13132023131).

The spelling of 13010022100 in words is "thirteen billion, ten million, twenty-two thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 101 202 404 505 541 1010 1082 2020 2164 2381 2525 2705 4762 5050 5410 9524 10100 10820 11905 13525 23810 27050 47620 54100 54641 59525 109282 119050 218564 238100 240481 273205 480962 546410 961924 1092820 1202405 1288121 1366025 2404810 2576242 2732050 4809620 5152484 5464100 6012025 6440605 12024050 12881210 24048100 25762420 32203025 64406050 128812100 130100221 260200442 520400884 650501105 1301002210 2602004420 3252505525 6505011050 13010022100