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103201320438 = 23229197703679
BaseRepresentation
bin110000000011101000…
…1110010110111110110
3100212101021111021022100
41200013101302313312
53142324014223223
6115224322242530
710312265515146
oct1400721626766
9325337437270
10103201320438
113a849500577
1218001ab6446
139968b212a8
144dd02b0926
152a402e9043
hex1807472df6

103201320438 has 24 divisors (see below), whose sum is σ = 231313305600. Its totient is φ = 33214217904.

The previous prime is 103201320437. The next prime is 103201320463. The reversal of 103201320438 is 834023102301.

103201320438 is a `hidden beast` number, since 1 + 0 + 3 + 201 + 3 + 20 + 438 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103201320437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 98851318 + ... + 98852361.

It is an arithmetic number, because the mean of its divisors is an integer number (9638054400).

Almost surely, 2103201320438 is an apocalyptic number.

103201320438 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

103201320438 is an abundant number, since it is smaller than the sum of its proper divisors (128111985162).

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

103201320438 is a wasteful number, since it uses less digits than its factorization.

103201320438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197703716 (or 197703713 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 103201320438 its reverse (834023102301), we get a palindrome (937224422739).

The spelling of 103201320438 in words is "one hundred three billion, two hundred one million, three hundred twenty thousand, four hundred thirty-eight".

Divisors: 1 2 3 6 9 18 29 58 87 174 261 522 197703679 395407358 593111037 1186222074 1779333111 3558666222 5733406691 11466813382 17200220073 34400440146 51600660219 103201320438