Search a number
-
+
10200210221021 = 15521965714959
BaseRepresentation
bin1001010001101110101111…
…1010000010011111011101
31100010010112012002021100112
42110123223322002133131
52314110012304033041
633405524544535405
72101640501215502
oct224335372023735
940103465067315
1010200210221021
1132829808293a7
121188a51921565
1358cb4cba0022
1427399b0d34a9
1512a4e6a8edeb
hex946ebe827dd

10200210221021 has 4 divisors (see below), whose sum is σ = 10200276091200. Its totient is φ = 10200144350844.

The previous prime is 10200210221017. The next prime is 10200210221111. The reversal of 10200210221021 is 12012201200201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10200210221021 - 22 = 10200210221017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10200210220987 and 10200210221005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10200210221221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32702261 + ... + 33012698.

It is an arithmetic number, because the mean of its divisors is an integer number (2550069022800).

Almost surely, 210200210221021 is an apocalyptic number.

It is an amenable number.

10200210221021 is a deficient number, since it is larger than the sum of its proper divisors (65870179).

10200210221021 is an equidigital number, since it uses as much as digits as its factorization.

10200210221021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65870178.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 10200210221021 its reverse (12012201200201), we get a palindrome (22212411421222).

The spelling of 10200210221021 in words is "ten trillion, two hundred billion, two hundred ten million, two hundred twenty-one thousand, twenty-one".

Divisors: 1 155219 65714959 10200210221021