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128315150 = 25217150959
BaseRepresentation
bin1111010010111…
…10111100001110
322221110002021222
413221132330032
5230322041100
620422123342
73115442435
oct751367416
9287402258
10128315150
1166481087
1236b80552
1320778932
141308211c
15b3e9485
hex7a5ef0e

128315150 has 24 divisors (see below), whose sum is σ = 252707040. Its totient is φ = 48306560.

The previous prime is 128315141. The next prime is 128315171. The reversal of 128315150 is 51513821.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 74630 + ... + 76329.

It is an arithmetic number, because the mean of its divisors is an integer number (10529460).

Almost surely, 2128315150 is an apocalyptic number.

128315150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

128315150 is a deficient number, since it is larger than the sum of its proper divisors (124391890).

128315150 is a wasteful number, since it uses less digits than its factorization.

128315150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150988 (or 150983 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 26.

The square root of 128315150 is about 11327.6277304650. The cubic root of 128315150 is about 504.3816894289.

Adding to 128315150 its reverse (51513821), we get a palindrome (179828971).

The spelling of 128315150 in words is "one hundred twenty-eight million, three hundred fifteen thousand, one hundred fifty".

Divisors: 1 2 5 10 17 25 34 50 85 170 425 850 150959 301918 754795 1509590 2566303 3773975 5132606 7547950 12831515 25663030 64157575 128315150