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15030004140 = 2233543679661
BaseRepresentation
bin11011111111101101…
…11010100110101100
31102210110121022122000
431333312322212230
5221240140113030
610523225052300
71041312633024
oct157766724654
942713538560
1015030004140
116413055628
122ab5627090
131556b22b98
14a281d4a84
155ce78e860
hex37fdba9ac

15030004140 has 192 divisors, whose sum is σ = 48566622720. Its totient is φ = 3855962880.

The previous prime is 15030004069. The next prime is 15030004153. The reversal of 15030004140 is 4140003051.

It is a happy number.

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

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 63 ways as a sum of consecutive naturals, for example, 1550910 + ... + 1560570.

It is an arithmetic number, because the mean of its divisors is an integer number (252951160).

Almost surely, 215030004140 is an apocalyptic number.

15030004140 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 15030004140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24283311360).

15030004140 is an abundant number, since it is smaller than the sum of its proper divisors (33536618580).

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

15030004140 is a wasteful number, since it uses less digits than its factorization.

15030004140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9789 (or 9781 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

Adding to 15030004140 its reverse (4140003051), we get a palindrome (19170007191).

The spelling of 15030004140 in words is "fifteen billion, thirty million, four thousand, one hundred forty".