Search a number
-
+
1010050012221 = 319173102428761
BaseRepresentation
bin11101011001010111010…
…11000001010000111101
310120120010010021221110220
432230223223001100331
5113022040300342341
62052002141051553
7132654660306135
oct16545353012075
93516103257426
101010050012221
1135a3a5999918
12143907856bb9
137432a446b33
1436c5b0a7ac5
151b418c02a66
hexeb2bac143d

1010050012221 has 16 divisors (see below), whose sum is σ = 1425808367040. Its totient is φ = 634238881920.

The previous prime is 1010050012187. The next prime is 1010050012337. The reversal of 1010050012221 is 1222100500101.

It is not a de Polignac number, because 1010050012221 - 27 = 1010050012093 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1010050012221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010050012121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51204520 + ... + 51224241.

It is an arithmetic number, because the mean of its divisors is an integer number (89113022940).

Almost surely, 21010050012221 is an apocalyptic number.

It is an amenable number.

1010050012221 is a deficient number, since it is larger than the sum of its proper divisors (415758354819).

1010050012221 is a wasteful number, since it uses less digits than its factorization.

1010050012221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102428956.

The product of its (nonzero) digits is 40, while the sum is 15.

Adding to 1010050012221 its reverse (1222100500101), we get a palindrome (2232150512322).

The spelling of 1010050012221 in words is "one trillion, ten billion, fifty million, twelve thousand, two hundred twenty-one".

Divisors: 1 3 19 57 173 519 3287 9861 102428761 307286283 1946146459 5838439377 17720175653 53160526959 336683337407 1010050012221