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210011002102100 = 225213315315772157
BaseRepresentation
bin101111110000000011111111…
…001011011110000101010100
31000112120212002211021000011202
4233300003333023132011110
5210011310013014231400
62022353420015452032
762143536260211413
oct5760037713360524
91015525084230152
10210011002102100
1160a09190790531
121b679657827018
139024c4c8c9794
1439c083000d47a
151942d04d394d5
hexbf00ff2de154

210011002102100 has 36 divisors (see below), whose sum is σ = 455727326014044. Its totient is φ = 84003764628480.

The previous prime is 210011002102039. The next prime is 210011002102151. The reversal of 210011002102100 is 1201200110012.

It can be written as a sum of positive squares in 6 ways, for example, as 12360132427204 + 197650869674896 = 3515698^2 + 14058836^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5429222 + ... + 21201378.

It is an arithmetic number, because the mean of its divisors is an integer number (12659092389279).

Almost surely, 2210011002102100 is an apocalyptic number.

210011002102100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210011002102100 is an abundant number, since it is smaller than the sum of its proper divisors (245716323911944).

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

210011002102100 is a wasteful number, since it uses less digits than its factorization.

210011002102100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15905324 (or 15905317 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 210011002102100 its reverse (1201200110012), we get a palindrome (211212202212112).

The spelling of 210011002102100 in words is "two hundred ten trillion, eleven billion, two million, one hundred two thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 133153 266306 532612 665765 1331530 2663060 3328825 6657650 13315300 15772157 31544314 63088628 78860785 157721570 315443140 394303925 788607850 1577215700 2100110021021 4200220042042 8400440084084 10500550105105 21001100210210 42002200420420 52502750525525 105005501051050 210011002102100