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87345451403 = 737333452873
BaseRepresentation
bin101000101011000110…
…0011101000110001011
322100110020212200000122
41101112030131012023
52412340413421103
6104043112053455
76211334041550
oct1212614350613
9270406780018
1087345451403
1134052259481
1214b1799428b
13830cb90772
14432853aa27
1524132c3b38
hex145631d18b

87345451403 has 8 divisors (see below), whose sum is σ = 100090999008. Its totient is φ = 74666810304.

The previous prime is 87345451357. The next prime is 87345451411. The reversal of 87345451403 is 30415454378.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 87345451403 - 232 = 83050484107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87345451423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16723826 + ... + 16729047.

It is an arithmetic number, because the mean of its divisors is an integer number (12511374876).

Almost surely, 287345451403 is an apocalyptic number.

87345451403 is a deficient number, since it is larger than the sum of its proper divisors (12745547605).

87345451403 is a wasteful number, since it uses less digits than its factorization.

87345451403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33453253.

The product of its (nonzero) digits is 806400, while the sum is 44.

The spelling of 87345451403 in words is "eighty-seven billion, three hundred forty-five million, four hundred fifty-one thousand, four hundred three".

Divisors: 1 7 373 2611 33452873 234170111 12477921629 87345451403