Search a number
-
+
10666116262420 = 2251894728147243
BaseRepresentation
bin1001101100110110011000…
…0100100010101000010100
31101202200002222111102210121
42123031212010202220110
52344223201230344140
634403540212201324
72150413206222013
oct233154604425024
941680088442717
1010666116262420
113442524624103
1212431b8909244
135c4a6c7275a8
1428c35829aa7a
151376b446464a
hex9b366122a14

10666116262420 has 24 divisors (see below), whose sum is σ = 22400027131104. Its totient is φ = 4266221175456.

The previous prime is 10666116262411. The next prime is 10666116262427. The reversal of 10666116262420 is 2426261166601.

It is a super-2 number, since 2×106661162624202 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10666116262427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13694682 + ... + 14452561.

It is an arithmetic number, because the mean of its divisors is an integer number (933334463796).

Almost surely, 210666116262420 is an apocalyptic number.

10666116262420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10666116262420 is an abundant number, since it is smaller than the sum of its proper divisors (11733910868684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10666116262420 is a wasteful number, since it uses less digits than its factorization.

10666116262420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28166199 (or 28166197 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 43.

The spelling of 10666116262420 in words is "ten trillion, six hundred sixty-six billion, one hundred sixteen million, two hundred sixty-two thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 18947 37894 75788 94735 189470 378940 28147243 56294486 112588972 140736215 281472430 562944860 533305813121 1066611626242 2133223252484 2666529065605 5333058131210 10666116262420