Search a number
-
+
10643055081 = 311813003967
BaseRepresentation
bin10011110100110000…
…00010000111101001
31000110201210012212020
421322120002013221
5133244110230311
64520033335053
7524513322051
oct117230020751
930421705766
1010643055081
1145717aa89a
122090407489
131007cac339
1472d716561
15424582c06
hex27a6021e9

10643055081 has 8 divisors (see below), whose sum is σ = 14202760704. Its totient is φ = 7089359760.

The previous prime is 10643055077. The next prime is 10643055097. The reversal of 10643055081 is 18055034601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10643055081 - 22 = 10643055077 is a prime.

It is a super-2 number, since 2×106430550812 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10643055061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1498441 + ... + 1505526.

It is an arithmetic number, because the mean of its divisors is an integer number (1775345088).

Almost surely, 210643055081 is an apocalyptic number.

It is an amenable number.

10643055081 is a deficient number, since it is larger than the sum of its proper divisors (3559705623).

10643055081 is a wasteful number, since it uses less digits than its factorization.

10643055081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3005151.

The product of its (nonzero) digits is 14400, while the sum is 33.

Adding to 10643055081 its reverse (18055034601), we get a palindrome (28698089682).

The spelling of 10643055081 in words is "ten billion, six hundred forty-three million, fifty-five thousand, eighty-one".

Divisors: 1 3 1181 3543 3003967 9011901 3547685027 10643055081