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260163141 = 3712388721
BaseRepresentation
bin11111000000111…
…00011001000101
3200010112122201220
433200130121011
51013100210031
641452110553
76306231060
oct1740343105
9603478656
10260163141
11123945467
1273165459
1341b905b4
14267a38d7
1517c90596
hexf81c645

260163141 has 8 divisors (see below), whose sum is σ = 396439104. Its totient is φ = 148664640.

The previous prime is 260163119. The next prime is 260163149. The reversal of 260163141 is 141361062.

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

It is not a de Polignac number, because 260163141 - 29 = 260162629 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260163149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6194340 + ... + 6194381.

It is an arithmetic number, because the mean of its divisors is an integer number (49554888).

Almost surely, 2260163141 is an apocalyptic number.

260163141 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

260163141 is a deficient number, since it is larger than the sum of its proper divisors (136275963).

260163141 is a wasteful number, since it uses less digits than its factorization.

260163141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12388731.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 260163141 is about 16129.5734909513. The cubic root of 260163141 is about 638.3838953254.

The spelling of 260163141 in words is "two hundred sixty million, one hundred sixty-three thousand, one hundred forty-one".

Divisors: 1 3 7 21 12388721 37166163 86721047 260163141