Search a number
-
+
1443340442260 = 225892137379441
BaseRepresentation
bin10101000000001101110…
…010110101101010010100
312002222111212200101022001
4111000031302311222110
5142121430123123020
63023021134445044
7206164215222403
oct25001562655224
95088455611261
101443340442260
11507132063012
121b388b963784
13a614ca5b692
144dc026bd63a
152782803750a
hex1500dcb5a94

1443340442260 has 48 divisors (see below), whose sum is σ = 3066513644880. Its totient is φ = 570580623360.

The previous prime is 1443340442251. The next prime is 1443340442267. The reversal of 1443340442260 is 622440433441.

It can be written as a sum of positive squares in 8 ways, for example, as 807331002256 + 636009440004 = 898516^2 + 797502^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1443340442267) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3614140 + ... + 3993580.

It is an arithmetic number, because the mean of its divisors is an integer number (63885700935).

Almost surely, 21443340442260 is an apocalyptic number.

1443340442260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1443340442260 is an abundant number, since it is smaller than the sum of its proper divisors (1623173202620).

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

1443340442260 is a wasteful number, since it uses less digits than its factorization.

1443340442260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381676 (or 381674 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 37.

The spelling of 1443340442260 in words is "one trillion, four hundred forty-three billion, three hundred forty million, four hundred forty-two thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 89 178 356 445 890 1780 2137 4274 8548 10685 21370 42740 190193 379441 380386 758882 760772 950965 1517764 1897205 1901930 3794410 3803860 7588820 33770249 67540498 135080996 168851245 337702490 675404980 810865417 1621730834 3243461668 4054327085 8108654170 16217308340 72167022113 144334044226 288668088452 360835110565 721670221130 1443340442260