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15003120142 = 250857147503
BaseRepresentation
bin11011111100100000…
…10111001000001110
31102201121000110201101
431332100113020032
5221211244321032
610520424533314
71040535263023
oct157620271016
942647013641
1015003120142
1163a996324a
122aa862123a
13155139c2aa
14a247d754a
155cc22dde7
hex37e41720e

15003120142 has 8 divisors (see below), whose sum is σ = 22505275296. Its totient is φ = 7501361712.

The previous prime is 15003120131. The next prime is 15003120149. The reversal of 15003120142 is 24102130051.

15003120142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×150031201422 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15003120149) 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 3 ways as a sum of consecutive naturals, for example, 27963 + ... + 175465.

It is an arithmetic number, because the mean of its divisors is an integer number (2813159412).

Almost surely, 215003120142 is an apocalyptic number.

15003120142 is a deficient number, since it is larger than the sum of its proper divisors (7502155154).

15003120142 is a wasteful number, since it uses less digits than its factorization.

15003120142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198362.

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 15003120142 its reverse (24102130051), we get a palindrome (39105250193).

Subtracting 15003120142 from its reverse (24102130051), we obtain a palindrome (9099009909).

The spelling of 15003120142 in words is "fifteen billion, three million, one hundred twenty thousand, one hundred forty-two".

Divisors: 1 2 50857 101714 147503 295006 7501560071 15003120142