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15030002340 = 2232583500013
BaseRepresentation
bin11011111111101101…
…11010001010100100
31102210110121020011100
431333312322022210
5221240140033330
610523225040100
71041312624543
oct157766721244
942713536140
1015030002340
116413054241
122ab5626030
131556b22112
14a281d415a
155ce78e060
hex37fdba2a4

15030002340 has 36 divisors (see below), whose sum is σ = 45591007644. Its totient is φ = 4008000576.

The previous prime is 15030002279. The next prime is 15030002353. The reversal of 15030002340 is 4320003051.

It can be written as a sum of positive squares in 2 ways, for example, as 7804662336 + 7225340004 = 88344^2 + 85002^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41749827 + ... + 41750186.

It is an arithmetic number, because the mean of its divisors is an integer number (1266416879).

Almost surely, 215030002340 is an apocalyptic number.

15030002340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15030002340 is an abundant number, since it is smaller than the sum of its proper divisors (30561005304).

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

15030002340 is a wasteful number, since it uses less digits than its factorization.

15030002340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83500028 (or 83500023 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

Adding to 15030002340 its reverse (4320003051), we get a palindrome (19350005391).

The spelling of 15030002340 in words is "fifteen billion, thirty million, two thousand, three hundred forty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 83500013 167000026 250500039 334000052 417500065 501000078 751500117 835000130 1002000156 1252500195 1503000234 1670000260 2505000390 3006000468 3757500585 5010000780 7515001170 15030002340