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10202010001210 = 251020201000121
BaseRepresentation
bin1001010001110101011100…
…1011101001111100111010
31100010022011121200120122001
42110131113023221330322
52314122204030014320
633410423320251214
72102033214126166
oct224352713517472
940108147616561
1010202010001210
113283714752945
121189274610b0a
13590078a14011
14273acc14dca6
1512a59eaa320a
hex947572e9f3a

10202010001210 has 8 divisors (see below), whose sum is σ = 18363618002196. Its totient is φ = 4080804000480.

The previous prime is 10202010001163. The next prime is 10202010001237. The reversal of 10202010001210 is 1210001020201.

It can be written as a sum of positive squares in 2 ways, for example, as 9303652935721 + 898357065489 = 3050189^2 + 947817^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (10), and also a Moran number because the ratio is a prime number: 1020201000121 = 10202010001210 / (1 + 0 + 2 + 0 + 2 + 0 + 1 + 0 + 0 + 0 + 1 + 2 + 1 + 0).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 510100500051 + ... + 510100500070.

Almost surely, 210202010001210 is an apocalyptic number.

10202010001210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10202010001210 is a deficient number, since it is larger than the sum of its proper divisors (8161608000986).

10202010001210 is a wasteful number, since it uses less digits than its factorization.

10202010001210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020201000128.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 10202010001210 its reverse (1210001020201), we get a palindrome (11412011021411).

The spelling of 10202010001210 in words is "ten trillion, two hundred two billion, ten million, one thousand, two hundred ten".

Divisors: 1 2 5 10 1020201000121 2040402000242 5101005000605 10202010001210