Search a number
-
+
10666215161 = 710314793641
BaseRepresentation
bin10011110111100000…
…11000011011111001
31000112100100212111222
421323300120123321
5133321022341121
64522222001425
7525214222130
oct117360303371
930470325458
1010666215161
114583889358
122098116275
13100ca2ac24
14732824917
1542660a0ab
hex27bc186f9

10666215161 has 8 divisors (see below), whose sum is σ = 12308310144. Its totient is φ = 9053707680.

The previous prime is 10666215151. The next prime is 10666215227. The reversal of 10666215161 is 16151266601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10666215161 - 222 = 10662020857 is a prime.

It is a super-2 number, since 2×106662151612 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10666215121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7396100 + ... + 7397541.

It is an arithmetic number, because the mean of its divisors is an integer number (1538538768).

Almost surely, 210666215161 is an apocalyptic number.

It is an amenable number.

10666215161 is a deficient number, since it is larger than the sum of its proper divisors (1642094983).

10666215161 is a wasteful number, since it uses less digits than its factorization.

10666215161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14793751.

The product of its (nonzero) digits is 12960, while the sum is 35.

The spelling of 10666215161 in words is "ten billion, six hundred sixty-six million, two hundred fifteen thousand, one hundred sixty-one".

Divisors: 1 7 103 721 14793641 103555487 1523745023 10666215161