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1401132213 = 321383157919
BaseRepresentation
bin101001110000011…
…1001010010110101
310121122110220001200
41103200321102311
510332142212323
6351011043113
746502266365
oct12340712265
93548426050
101401132213
116599a2408
123312a0499
13194386c20
14d41289a5
158301a443
hex538394b5

1401132213 has 48 divisors (see below), whose sum is σ = 2222263680. Its totient is φ = 845500032.

The previous prime is 1401132211. The next prime is 1401132217. The reversal of 1401132213 is 3122311041.

It is not a de Polignac number, because 1401132213 - 21 = 1401132211 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401132211) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1524168 + ... + 1525086.

It is an arithmetic number, because the mean of its divisors is an integer number (46297160).

Almost surely, 21401132213 is an apocalyptic number.

1401132213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1401132213 is a deficient number, since it is larger than the sum of its proper divisors (821131467).

1401132213 is a wasteful number, since it uses less digits than its factorization.

1401132213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1178 (or 1175 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1401132213 is about 37431.7006426371. The cubic root of 1401132213 is about 1118.9904308612.

Adding to 1401132213 its reverse (3122311041), we get a palindrome (4523443254).

The spelling of 1401132213 in words is "one billion, four hundred one million, one hundred thirty-two thousand, two hundred thirteen".

Divisors: 1 3 9 13 39 83 117 157 249 471 747 919 1079 1413 2041 2757 3237 6123 8271 9711 11947 13031 18369 35841 39093 76277 107523 117279 144283 169403 228831 432849 508209 686493 991601 1298547 1524627 1875679 2974803 5627037 8924409 11975489 16881111 35926467 107779401 155681357 467044071 1401132213