Search a number
-
+
142666676805 = 35121712296359
BaseRepresentation
bin1000010011011110011…
…0001011101001000101
3111122020200112002121210
42010313212023221011
54314140132124210
6145312402002033
713210261513152
oct2046746135105
9448220462553
10142666676805
115556068a974
1223796946319
13105b81abc73
146c95869229
153a9edc2e20
hex213798ba45

142666676805 has 32 divisors (see below), whose sum is σ = 228676089600. Its totient is φ = 75952566272.

The previous prime is 142666676783. The next prime is 142666676807. The reversal of 142666676805 is 508676666241.

It is a cyclic number.

It is not a de Polignac number, because 142666676805 - 223 = 142658288197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142666676807) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22432216 + ... + 22438574.

It is an arithmetic number, because the mean of its divisors is an integer number (7146127800).

Almost surely, 2142666676805 is an apocalyptic number.

142666676805 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

142666676805 is a deficient number, since it is larger than the sum of its proper divisors (86009412795).

142666676805 is a wasteful number, since it uses less digits than its factorization.

142666676805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8813.

The product of its (nonzero) digits is 17418240, while the sum is 57.

The spelling of 142666676805 in words is "one hundred forty-two billion, six hundred sixty-six million, six hundred seventy-six thousand, eight hundred five".

Divisors: 1 3 5 15 1217 1229 3651 3687 6085 6145 6359 18255 18435 19077 31795 95385 1495693 4487079 7478465 7738903 7815211 22435395 23216709 23445633 38694515 39076055 116083545 117228165 9511111787 28533335361 47555558935 142666676805