Search a number
-
+
10120210212221 = 25749939788527
BaseRepresentation
bin1001001101000100101110…
…0010001110010101111101
31022211111000211221202021122
42103101023202032111331
52311302142303242341
633305054351040325
72063106146316314
oct223211342162575
938744024852248
1010120210212221
113251a5891674a
121175445b100a5
13585440a64205
1426db6c35527b
151283b35bd94b
hex9344b88e57d

10120210212221 has 8 divisors (see below), whose sum is σ = 10159804786560. Its totient is φ = 10080617315328.

The previous prime is 10120210212197. The next prime is 10120210212251. The reversal of 10120210212221 is 12221201202101.

10120210212221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10120210212221 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10120210212221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10120210212251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12440060 + ... + 13228586.

It is an arithmetic number, because the mean of its divisors is an integer number (1269975598320).

Almost surely, 210120210212221 is an apocalyptic number.

It is an amenable number.

10120210212221 is a deficient number, since it is larger than the sum of its proper divisors (39594574339).

10120210212221 is an equidigital number, since it uses as much as digits as its factorization.

10120210212221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 838723.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 10120210212221 its reverse (12221201202101), we get a palindrome (22341411414322).

The spelling of 10120210212221 in words is "ten trillion, one hundred twenty billion, two hundred ten million, two hundred twelve thousand, two hundred twenty-one".

Divisors: 1 257 49939 788527 12834323 202651439 39378249853 10120210212221