Search a number
-
+
1003220231212 = 22719348824837
BaseRepresentation
bin11101001100101001001…
…01011110010000101100
310112220111010212010020201
432212110211132100230
5112414043334344322
62044512323123244
7132323506160143
oct16462445362054
93486433763221
101003220231212
11357510737301
12142520513524
13737ac49bab4
14367addba75a
151b16930dd27
hexe99495e42c

1003220231212 has 12 divisors (see below), whose sum is σ = 1758077183520. Its totient is φ = 500912464496.

The previous prime is 1003220231201. The next prime is 1003220231213. The reversal of 1003220231212 is 2121320223001.

It is a self number, because there is not a number n which added to its sum of digits gives 1003220231212.

It is not an unprimeable number, because it can be changed into a prime (1003220231213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174409543 + ... + 174415294.

It is an arithmetic number, because the mean of its divisors is an integer number (146506431960).

Almost surely, 21003220231212 is an apocalyptic number.

It is an amenable number.

1003220231212 is a deficient number, since it is larger than the sum of its proper divisors (754856952308).

1003220231212 is a wasteful number, since it uses less digits than its factorization.

1003220231212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348825560 (or 348825558 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 1003220231212 its reverse (2121320223001), we get a palindrome (3124540454213).

The spelling of 1003220231212 in words is "one trillion, three billion, two hundred twenty million, two hundred thirty-one thousand, two hundred twelve".

Divisors: 1 2 4 719 1438 2876 348824837 697649674 1395299348 250805057803 501610115606 1003220231212