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20122100000210 = 2513877917631323
BaseRepresentation
bin1001001001101000010101…
…00111110110010111010010
32122020122122202011011212202
410210310022213312113102
510114140030100001320
6110443544244523202
74144526252631605
oct444641247662722
978218582134782
1020122100000210
11645880996041a
12230b96a6b0502
13b2c676589080
144d7cb445033c
1524d64e3a3b75
hex124d0a9f65d2

20122100000210 has 32 divisors (see below), whose sum is σ = 39010362229440. Its totient is φ = 7428851736768.

The previous prime is 20122100000207. The next prime is 20122100000251. The reversal of 20122100000210 is 1200000122102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20122100000191 and 20122100000200.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7674392 + ... + 9956931.

It is an arithmetic number, because the mean of its divisors is an integer number (1219073819670).

Almost surely, 220122100000210 is an apocalyptic number.

20122100000210 is a deficient number, since it is larger than the sum of its proper divisors (18888262229230).

20122100000210 is a wasteful number, since it uses less digits than its factorization.

20122100000210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17640122.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20122100000210 its reverse (1200000122102), we get a palindrome (21322100122312).

The spelling of 20122100000210 in words is "twenty trillion, one hundred twenty-two billion, one hundred million, two hundred ten", and thus it is an aban number.

Divisors: 1 2 5 10 13 26 65 130 8779 17558 43895 87790 114127 228254 570635 1141270 17631323 35262646 88156615 176313230 229207199 458414398 1146035995 2292071990 154785384617 309570769234 773926923085 1547853846170 2012210000021 4024420000042 10061050000105 20122100000210