Search a number
-
+
124342440443 = 1361643243857
BaseRepresentation
bin111001111001101100…
…0110001000111111011
3102212221122020102220222
41303303120301013323
54014123131043233
6133042214010255
711661215206424
oct1636330610773
9385848212828
10124342440443
114880807a981
122012204698b
13b957a46160
146037d5a64b
15337b31e898
hex1cf36311fb

124342440443 has 16 divisors (see below), whose sum is σ = 136314671136. Its totient is φ = 112719997440.

The previous prime is 124342440421. The next prime is 124342440493. The reversal of 124342440443 is 344044243421.

It is a cyclic number.

It is not a de Polignac number, because 124342440443 - 234 = 107162571259 is a prime.

It is a super-2 number, since 2×1243424404432 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124342440493) 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, 387971 + ... + 631827.

It is an arithmetic number, because the mean of its divisors is an integer number (8519666946).

Almost surely, 2124342440443 is an apocalyptic number.

124342440443 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

124342440443 is a deficient number, since it is larger than the sum of its proper divisors (11972230693).

124342440443 is a wasteful number, since it uses less digits than its factorization.

124342440443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244574.

The product of its (nonzero) digits is 147456, while the sum is 35.

Adding to 124342440443 its reverse (344044243421), we get a palindrome (468386683864).

The spelling of 124342440443 in words is "one hundred twenty-four billion, three hundred forty-two million, four hundred forty thousand, four hundred forty-three".

Divisors: 1 13 61 643 793 8359 39223 243857 509899 3170141 14875277 156800051 193378601 2038400663 9564803111 124342440443