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130545026 = 265272513
BaseRepresentation
bin1111100011111…
…11010110000010
3100002122101002222
413301333112002
5231404420101
620542011042
73143420513
oct761772602
9302571088
10130545026
1167764457
1237876a82
13210798a1
14134a2a0a
15b6da01b
hex7c7f582

130545026 has 4 divisors (see below), whose sum is σ = 195817542. Its totient is φ = 65272512.

The previous prime is 130545017. The next prime is 130545031. The reversal of 130545026 is 620545031.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 96334225 + 34210801 = 9815^2 + 5849^2 .

It is a super-4 number, since 4×1305450264 (a number of 34 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 130544986 and 130545004.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32636255 + ... + 32636258.

Almost surely, 2130545026 is an apocalyptic number.

130545026 is a deficient number, since it is larger than the sum of its proper divisors (65272516).

130545026 is an equidigital number, since it uses as much as digits as its factorization.

130545026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65272515.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 130545026 is about 11425.6302233181. The cubic root of 130545026 is about 507.2866612834.

The spelling of 130545026 in words is "one hundred thirty million, five hundred forty-five thousand, twenty-six".

Divisors: 1 2 65272513 130545026