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130087775 = 5219475827
BaseRepresentation
bin1111100000011…
…11101101011111
3100001210010212202
413300033231133
5231300302100
620524122115
73136504436
oct760175537
9301703782
10130087775
1167481964
123769633b
1320c4971c
14133c411d
15b6497d5
hex7c0fb5f

130087775 has 24 divisors (see below), whose sum is σ = 173441280. Its totient is φ = 96478560.

The previous prime is 130087739. The next prime is 130087817. The reversal of 130087775 is 577780031.

It is a de Polignac number, because none of the positive numbers 2k-130087775 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19412 + ... + 25238.

It is an arithmetic number, because the mean of its divisors is an integer number (7226720).

Almost surely, 2130087775 is an apocalyptic number.

130087775 is a deficient number, since it is larger than the sum of its proper divisors (43353505).

130087775 is a wasteful number, since it uses less digits than its factorization.

130087775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5903 (or 5898 counting only the distinct ones).

The product of its (nonzero) digits is 41160, while the sum is 38.

The square root of 130087775 is about 11405.6027898573. The cubic root of 130087775 is about 506.6936891655.

The spelling of 130087775 in words is "one hundred thirty million, eighty-seven thousand, seven hundred seventy-five".

Divisors: 1 5 19 25 47 95 235 475 893 1175 4465 5827 22325 29135 110713 145675 273869 553565 1369345 2767825 5203511 6846725 26017555 130087775