Search a number
-
+
1000212421290 = 23549966814457
BaseRepresentation
bin11101000111000010100…
…11100101101010101010
310112121201112010112201020
432203201103211222222
5112341413334440130
62043254035233310
7132156124206045
oct16434123455252
93477645115636
101000212421290
11356207922185
12141a21148836
13734202b1804
14365a673dc5c
151b040225e10
hexe8e14e5aaa

1000212421290 has 32 divisors (see below), whose sum is σ = 2405320488000. Its totient is φ = 266188792704.

The previous prime is 1000212421289. The next prime is 1000212421301. The reversal of 1000212421290 is 921242120001.

1000212421290 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 1000212421290.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33392259 + ... + 33422198.

It is an arithmetic number, because the mean of its divisors is an integer number (75166265250).

Almost surely, 21000212421290 is an apocalyptic number.

1000212421290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1000212421290 is an abundant number, since it is smaller than the sum of its proper divisors (1405108066710).

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

1000212421290 is a wasteful number, since it uses less digits than its factorization.

1000212421290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66814966.

The product of its (nonzero) digits is 576, while the sum is 24.

Adding to 1000212421290 its reverse (921242120001), we get a palindrome (1921454541291).

The spelling of 1000212421290 in words is "one trillion, two hundred twelve million, four hundred twenty-one thousand, two hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 499 998 1497 2495 2994 4990 7485 14970 66814457 133628914 200443371 334072285 400886742 668144570 1002216855 2004433710 33340414043 66680828086 100021242129 166702070215 200042484258 333404140430 500106210645 1000212421290