Search a number
-
+
13303040440 = 235607954709
BaseRepresentation
bin11000110001110110…
…00100100110111000
31021100010000110210111
430120323010212320
5204221034243230
610040014154104
7650442656314
oct143073044670
937303013714
1013303040440
1157072461a8
1226b31b2934
1313400c5681
14902ad0b44
1552cd6192a
hex318ec49b8

13303040440 has 32 divisors (see below), whose sum is σ = 29937312000. Its totient is φ = 5320243584.

The previous prime is 13303040431. The next prime is 13303040477. The reversal of 13303040440 is 4404030331.

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, 215806 + ... + 270514.

It is an arithmetic number, because the mean of its divisors is an integer number (935541000).

Almost surely, 213303040440 is an apocalyptic number.

13303040440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13303040440 is an abundant number, since it is smaller than the sum of its proper divisors (16634271560).

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

13303040440 is a wasteful number, since it uses less digits than its factorization.

13303040440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60799 (or 60795 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 13303040440 its reverse (4404030331), we get a palindrome (17707070771).

The spelling of 13303040440 in words is "thirteen billion, three hundred three million, forty thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 6079 12158 24316 30395 48632 54709 60790 109418 121580 218836 243160 273545 437672 547090 1094180 2188360 332576011 665152022 1330304044 1662880055 2660608088 3325760110 6651520220 13303040440