Search a number
-
+
66476146037 = 723717973613
BaseRepresentation
bin111101111010010010…
…010111110101110101
320100120211121002222212
4331322102113311311
52042120343133122
650312210303205
74542224626640
oct757222276565
9210524532885
1066476146037
1126213062474
1210a72887b05
136365378672
143308a08a57
151ae1090ce2
hexf7a497d75

66476146037 has 32 divisors (see below), whose sum is σ = 81411194880. Its totient is φ = 53053640640.

The previous prime is 66476146003. The next prime is 66476146039. The reversal of 66476146037 is 73064167466.

It is not a de Polignac number, because 66476146037 - 220 = 66475097461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66476146039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 866243 + ... + 939855.

It is an arithmetic number, because the mean of its divisors is an integer number (2544099840).

Almost surely, 266476146037 is an apocalyptic number.

It is an amenable number.

66476146037 is a deficient number, since it is larger than the sum of its proper divisors (14935048843).

66476146037 is a wasteful number, since it uses less digits than its factorization.

66476146037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73793.

The product of its (nonzero) digits is 3048192, while the sum is 50.

The spelling of 66476146037 in words is "sixty-six billion, four hundred seventy-six million, one hundred forty-six thousand, thirty-seven".

Divisors: 1 7 23 71 79 161 497 553 1633 1817 5609 11431 12719 39263 73613 129007 515291 903049 1693099 5226523 5815427 11851693 36585661 40707989 120210029 133754821 412895317 841470203 936283747 2890267219 9496592291 66476146037