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130440201 = 31719712983
BaseRepresentation
bin1111100011001…
…01110000001001
3100002110001022120
413301211300021
5231343041301
620535441453
73142503063
oct761456011
9302401276
10130440201
11676a2721
1237826289
1321040c68
1413476733
15b6b8e36
hex7c65c09

130440201 has 16 divisors (see below), whose sum is σ = 185099904. Its totient is φ = 81423104.

The previous prime is 130440197. The next prime is 130440217. The reversal of 130440201 is 102044031.

It is a cyclic number.

It is not a de Polignac number, because 130440201 - 22 = 130440197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (130440221) 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 15 ways as a sum of consecutive naturals, for example, 3556 + ... + 16538.

It is an arithmetic number, because the mean of its divisors is an integer number (11568744).

Almost surely, 2130440201 is an apocalyptic number.

It is an amenable number.

130440201 is a deficient number, since it is larger than the sum of its proper divisors (54659703).

130440201 is a wasteful number, since it uses less digits than its factorization.

130440201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13200.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 130440201 is about 11421.0420277661. The cubic root of 130440201 is about 507.1508446348.

Adding to 130440201 its reverse (102044031), we get a palindrome (232484232).

The spelling of 130440201 in words is "one hundred thirty million, four hundred forty thousand, two hundred one".

Divisors: 1 3 17 51 197 591 3349 10047 12983 38949 220711 662133 2557651 7672953 43480067 130440201