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103040343240 = 233519317120533
BaseRepresentation
bin101111111110110101…
…1101101110011001000
3100211222001120210002220
41133331223231303020
53142011311440430
6115200332054040
710305302315652
oct1377553556310
9324861523086
10103040343240
113a776650a6a
1217b78004320
13994167ab03
144db6b696d2
152a310ec110
hex17fdaedcc8

103040343240 has 256 divisors, whose sum is σ = 340634419200. Its totient is φ = 24835507200.

The previous prime is 103040343239. The next prime is 103040343293. The reversal of 103040343240 is 42343040301.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 103040343240.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5008014 + ... + 5028546.

It is an arithmetic number, because the mean of its divisors is an integer number (1330603200).

Almost surely, 2103040343240 is an apocalyptic number.

103040343240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103040343240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170317209600).

103040343240 is an abundant number, since it is smaller than the sum of its proper divisors (237594075960).

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

103040343240 is a wasteful number, since it uses less digits than its factorization.

103040343240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20668 (or 20664 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 103040343240 its reverse (42343040301), we get a palindrome (145383383541).

The spelling of 103040343240 in words is "one hundred three billion, forty million, three hundred forty-three thousand, two hundred forty".