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20010200001210 = 23251391599536371
BaseRepresentation
bin1001000110010111111001…
…10111001110101010111010
32121211221211020120020212100
410203023330313032222322
510110321342200014320
6110320320423324230
74133455260424506
oct443137467165272
977757736506770
1020010200001210
116415307265a01
1222b213b5b0676
13b21c52558c03
144d26daba3306
1524a7a059d790
hex1232fcdceaba

20010200001210 has 48 divisors (see below), whose sum is σ = 52400811546720. Its totient is φ = 5297664457440.

The previous prime is 20010200001193. The next prime is 20010200001221. The reversal of 20010200001210 is 1210000201002.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 20010200001192 and 20010200001201.

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, 799755676 + ... + 799780695.

It is an arithmetic number, because the mean of its divisors is an integer number (1091683573890).

Almost surely, 220010200001210 is an apocalyptic number.

20010200001210 is an abundant number, since it is smaller than the sum of its proper divisors (32390611545510).

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

20010200001210 is a wasteful number, since it uses less digits than its factorization.

20010200001210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1599536523 (or 1599536520 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 20010200001210 its reverse (1210000201002), we get a palindrome (21220200202212).

The spelling of 20010200001210 in words is "twenty trillion, ten billion, two hundred million, one thousand, two hundred ten".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 139 278 417 695 834 1251 1390 2085 2502 4170 6255 12510 1599536371 3199072742 4798609113 7997681855 9597218226 14395827339 15995363710 23993045565 28791654678 47986091130 71979136695 143958273390 222335555569 444671111138 667006666707 1111677777845 1334013333414 2001020000121 2223355555690 3335033333535 4002040000242 6670066667070 10005100000605 20010200001210