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103111340442 = 23115941963197
BaseRepresentation
bin110000000000111101…
…0100011000110011010
3100212011000011210221220
41200001322203012122
53142133000343232
6115211345512510
710310123634615
oct1400172430632
9325130153856
10103111340442
113a802733240
1217b97942736
1399532a84a6
144dc236b17c
152a3747342c
hex1801ea319a

103111340442 has 64 divisors (see below), whose sum is σ = 229332902400. Its totient is φ = 30642476480.

The previous prime is 103111340419. The next prime is 103111340447. The reversal of 103111340442 is 244043111301.

It is not an unprimeable number, because it can be changed into a prime (103111340447) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1599988 + ... + 1663184.

It is an arithmetic number, because the mean of its divisors is an integer number (3583326600).

Almost surely, 2103111340442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103111340442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114666451200).

103111340442 is an abundant number, since it is smaller than the sum of its proper divisors (126221561958).

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

103111340442 is a wasteful number, since it uses less digits than its factorization.

103111340442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63691.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 103111340442 its reverse (244043111301), we get a palindrome (347154451743).

The spelling of 103111340442 in words is "one hundred three billion, one hundred eleven million, three hundred forty thousand, four hundred forty-two".

Divisors: 1 2 3 6 11 22 33 59 66 118 177 354 419 649 838 1257 1298 1947 2514 3894 4609 9218 13827 24721 27654 49442 63197 74163 126394 148326 189591 271931 379182 543862 695167 815793 1390334 1631586 2085501 3728623 4171002 7457246 11185869 22371738 26479543 41014853 52959086 79438629 82029706 123044559 158877258 246089118 291274973 582549946 873824919 1562293037 1747649838 3124586074 4686879111 9373758222 17185223407 34370446814 51555670221 103111340442