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130258847 = 1031264649
BaseRepresentation
bin1111100001110…
…01011110011111
3100002002211112202
413300321132133
5231321240342
620531522115
73141116255
oct760713637
9302084482
10130258847
1167589444
123775933b
1320ca9554
141342a5d5
15b680332
hex7c3979f

130258847 has 4 divisors (see below), whose sum is σ = 131523600. Its totient is φ = 128994096.

The previous prime is 130258841. The next prime is 130258853. The reversal of 130258847 is 748852031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 748852031 = 7310258247.

It is an interprime number because it is at equal distance from previous prime (130258841) and next prime (130258853).

It is a cyclic number.

It is not a de Polignac number, because 130258847 - 26 = 130258783 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 130258847.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130258841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 632222 + ... + 632427.

It is an arithmetic number, because the mean of its divisors is an integer number (32880900).

Almost surely, 2130258847 is an apocalyptic number.

130258847 is a deficient number, since it is larger than the sum of its proper divisors (1264753).

130258847 is a wasteful number, since it uses less digits than its factorization.

130258847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1264752.

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 130258847 is about 11413.0997980391. The cubic root of 130258847 is about 506.9157011464.

The spelling of 130258847 in words is "one hundred thirty million, two hundred fifty-eight thousand, eight hundred forty-seven".

Divisors: 1 103 1264649 130258847