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255159130 = 25179142547
BaseRepresentation
bin11110011010101…
…10101101011010
3122210010102112011
433031112231122
51010310043010
641152540134
76215550112
oct1715265532
9583112464
10255159130
11121037916
127155164a
1340b2aa45
1425c60042
1517602a8a
hexf356b5a

255159130 has 16 divisors (see below), whose sum is σ = 461855520. Its totient is φ = 101492752.

The previous prime is 255159101. The next prime is 255159169. The reversal of 255159130 is 31951552.

It is a junction number, because it is equal to n+sod(n) for n = 255159092 and 255159101.

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 7 ways as a sum of consecutive naturals, for example, 69484 + ... + 73063.

It is an arithmetic number, because the mean of its divisors is an integer number (28865970).

Almost surely, 2255159130 is an apocalyptic number.

255159130 is a deficient number, since it is larger than the sum of its proper divisors (206696390).

255159130 is a wasteful number, since it uses less digits than its factorization.

255159130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142733.

The product of its (nonzero) digits is 6750, while the sum is 31.

The square root of 255159130 is about 15973.7011991586. The cubic root of 255159130 is about 634.2644509734.

The spelling of 255159130 in words is "two hundred fifty-five million, one hundred fifty-nine thousand, one hundred thirty".

Divisors: 1 2 5 10 179 358 895 1790 142547 285094 712735 1425470 25515913 51031826 127579565 255159130