Search a number
-
+
9743868381289 = 724459312
BaseRepresentation
bin1000110111001010101111…
…0100000100100001101001
31021111111121221101220002211
42031302223310010201221
52234120420301200124
632420134335325121
72023654066454200
oct215625364044151
937444557356084
109743868381289
113117395751999
1211145159807a1
13558ac59693a3
1425986a24a237
1511d6d8b92e94
hex8dcabd04869

9743868381289 has 9 divisors (see below), whose sum is σ = 11334729453501. Its totient is φ = 8351868454860.

The previous prime is 9743868381271. The next prime is 9743868381319. The reversal of 9743868381289 is 9821838683479.

The square root of 9743868381289 is 3121517.

It is a perfect power (a square), and thus also a powerful number.

It is a de Polignac number, because none of the positive numbers 2k-9743868381289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9743868381089) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 21627654 + ... + 22073584.

Almost surely, 29743868381289 is an apocalyptic number.

9743868381289 is the 3121517-th square number.

9743868381289 is the 1560759-th centered octagonal number.

It is an amenable number.

9743868381289 is a deficient number, since it is larger than the sum of its proper divisors (1590861072212).

9743868381289 is an frugal number, since it uses more digits than its factorization.

9743868381289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 891876 (or 445938 counting only the distinct ones).

The product of its digits is 1003290624, while the sum is 76.

The spelling of 9743868381289 in words is "nine trillion, seven hundred forty-three billion, eight hundred sixty-eight million, three hundred eighty-one thousand, two hundred eighty-nine".

Divisors: 1 7 49 445931 3121517 21850619 198854456761 1391981197327 9743868381289