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135786041666 = 21123377991807
BaseRepresentation
bin111111001110101111…
…0101001000101000010
3110222111011101121122022
41332131132221011002
54211042211313131
6142213530041442
712544622211332
oct1763536510502
9428434347568
10135786041666
115264a753950
1222396579282
13ca5c839b22
146801b010c2
1537eacd637b
hex1f9d7a9142

135786041666 has 64 divisors (see below), whose sum is σ = 241139220480. Its totient is φ = 56714074560.

The previous prime is 135786041591. The next prime is 135786041669. The reversal of 135786041666 is 666140687531.

It is a super-2 number, since 2×1357860416662 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (135786041669) 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, 1433135 + ... + 1524941.

It is an arithmetic number, because the mean of its divisors is an integer number (3767800320).

Almost surely, 2135786041666 is an apocalyptic number.

135786041666 is a deficient number, since it is larger than the sum of its proper divisors (105353178814).

135786041666 is a wasteful number, since it uses less digits than its factorization.

135786041666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91959.

The product of its (nonzero) digits is 4354560, while the sum is 53.

The spelling of 135786041666 in words is "one hundred thirty-five billion, seven hundred eighty-six million, forty-one thousand, six hundred sixty-six".

Divisors: 1 2 11 22 23 37 46 74 79 158 253 407 506 814 851 869 1702 1738 1817 2923 3634 5846 9361 18722 19987 32153 39974 64306 67229 91807 134458 183614 739519 1009877 1479038 2019754 2111561 3396859 4223122 6793718 7252753 14505506 23227171 37365449 46454342 74730898 78127757 79780283 156255514 159560566 166813319 268351861 333626638 536703722 859405327 1718810654 1834946509 2951870471 3669893018 5903740942 6172092803 12344185606 67893020833 135786041666