Search a number
-
+
222002431312 = 2431727615661
BaseRepresentation
bin1100111011000001100…
…0000100010101010000
3210020000201202000002211
43032300120010111100
512114130110300222
6245553030321504
722016266350034
oct3166030042520
9706021660084
10222002431312
1186172648532
12370381b9294
1317c1c8129bc
14aa602d61c4
155b94dd3277
hex33b0604550

222002431312 has 40 divisors (see below), whose sum is σ = 444616320512. Its totient is φ = 107272598400.

The previous prime is 222002431309. The next prime is 222002431351. The reversal of 222002431312 is 213134200222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52762 + ... + 668422.

Almost surely, 2222002431312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222002431312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (222308160256).

222002431312 is an abundant number, since it is smaller than the sum of its proper divisors (222613889200).

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

222002431312 is a wasteful number, since it uses less digits than its factorization.

222002431312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616427 (or 616421 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 222002431312 its reverse (213134200222), we get a palindrome (435136631534).

The spelling of 222002431312 in words is "two hundred twenty-two billion, two million, four hundred thirty-one thousand, three hundred twelve".

Divisors: 1 2 4 8 16 31 62 124 248 496 727 1454 2908 5816 11632 22537 45074 90148 180296 360592 615661 1231322 2462644 4925288 9850576 19085491 38170982 76341964 152683928 305367856 447585547 895171094 1790342188 3580684376 7161368752 13875151957 27750303914 55500607828 111001215656 222002431312