Search a number
-
+
130415666 = 21071095591
BaseRepresentation
bin1111100010111…
…11110000110010
3100002101210122212
413301133300302
5231341300131
620535132122
73142341413
oct761376062
9302353585
10130415666
1167686247
1237814042
1321032a44
141346b80a
15b6b1a2b
hex7c5fc32

130415666 has 16 divisors (see below), whose sum is σ = 199298880. Its totient is φ = 63994320.

The previous prime is 130415657. The next prime is 130415683. The reversal of 130415666 is 666514031.

130415666 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20531 + ... + 26121.

It is an arithmetic number, because the mean of its divisors is an integer number (12456180).

Almost surely, 2130415666 is an apocalyptic number.

130415666 is a deficient number, since it is larger than the sum of its proper divisors (68883214).

130415666 is a wasteful number, since it uses less digits than its factorization.

130415666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5809.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 130415666 is about 11419.9678633523. The cubic root of 130415666 is about 507.1190453221.

Adding to 130415666 its reverse (666514031), we get a palindrome (796929697).

The spelling of 130415666 in words is "one hundred thirty million, four hundred fifteen thousand, six hundred sixty-six".

Divisors: 1 2 107 109 214 218 5591 11182 11663 23326 598237 609419 1196474 1218838 65207833 130415666