Search a number
-
+
66147366130 = 25109137442961
BaseRepresentation
bin111101100110101100…
…001011010011110010
320022201220221100202021
4331212230023103302
52040432211204010
650215423342054
74531123222636
oct754654132362
9208656840667
1066147366130
112606451123a
12109a075192a
136312212041
1432b70a2dc6
151ac22998da
hexf66b0b4f2

66147366130 has 32 divisors (see below), whose sum is σ = 121034936880. Its totient is φ = 26024785920.

The previous prime is 66147366079. The next prime is 66147366149. The reversal of 66147366130 is 3166374166.

It can be written as a sum of positive squares in 8 ways, for example, as 14608831689 + 51538534441 = 120867^2 + 227021^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72151 + ... + 370810.

Almost surely, 266147366130 is an apocalyptic number.

66147366130 is a deficient number, since it is larger than the sum of its proper divisors (54887570750).

66147366130 is a wasteful number, since it uses less digits than its factorization.

66147366130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443214.

The product of its (nonzero) digits is 326592, while the sum is 43.

The spelling of 66147366130 in words is "sixty-six billion, one hundred forty-seven million, three hundred sixty-six thousand, one hundred thirty".

Divisors: 1 2 5 10 109 137 218 274 545 685 1090 1370 14933 29866 74665 149330 442961 885922 2214805 4429610 48282749 60685657 96565498 121371314 241413745 303428285 482827490 606856570 6614736613 13229473226 33073683065 66147366130