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103040310440 = 2352576007761
BaseRepresentation
bin101111111110110101…
…1100101110010101000
3100211222001112010010002
41133331223211302220
53142011304413230
6115200331242132
710305302121224
oct1377553456250
9324861463102
10103040310440
113a776629361
1217b77ba9348
139941668bc2
144db6b5b784
152a310e2545
hex17fdae5ca8

103040310440 has 16 divisors (see below), whose sum is σ = 231840698580. Its totient is φ = 41216124160.

The previous prime is 103040310419. The next prime is 103040310469. The reversal of 103040310440 is 44013040301.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 102993497476 + 46812964 = 320926^2 + 6842^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1288003841 + ... + 1288003920.

Almost surely, 2103040310440 is an apocalyptic number.

103040310440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103040310440 is an abundant number, since it is smaller than the sum of its proper divisors (128800388140).

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

103040310440 is a wasteful number, since it uses less digits than its factorization.

103040310440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2576007772 (or 2576007768 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 103040310440 its reverse (44013040301), we get a palindrome (147053350741).

The spelling of 103040310440 in words is "one hundred three billion, forty million, three hundred ten thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 2576007761 5152015522 10304031044 12880038805 20608062088 25760077610 51520155220 103040310440