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660122201422111 = 1906133463154147
BaseRepresentation
bin1001011000011000001010110…
…1010100101111100100011111
310012120022001210012211010121011
42112012002231110233210133
51143010420232031001421
610255543541451320051
7256021153350322351
oct22606025524574437
93176261705733534
10660122201422111
1118137628739718a
1262054131750027
13224453446811bc
14b9021294390d1
15514b4601244e1
hex25860ad52f91f

660122201422111 has 4 divisors (see below), whose sum is σ = 660125664766872. Its totient is φ = 660118738077352.

The previous prime is 660122201422081. The next prime is 660122201422207. The reversal of 660122201422111 is 111224102221066.

660122201422111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 660122201422111 - 217 = 660122201291039 is a prime.

It is a super-2 number, since 2×6601222014221112 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (660122201422511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1731386461 + ... + 1731767686.

It is an arithmetic number, because the mean of its divisors is an integer number (165031416191718).

Almost surely, 2660122201422111 is an apocalyptic number.

660122201422111 is a deficient number, since it is larger than the sum of its proper divisors (3463344761).

660122201422111 is a wasteful number, since it uses less digits than its factorization.

660122201422111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3463344760.

The product of its (nonzero) digits is 4608, while the sum is 31.

Adding to 660122201422111 its reverse (111224102221066), we get a palindrome (771346303643177).

The spelling of 660122201422111 in words is "six hundred sixty trillion, one hundred twenty-two billion, two hundred one million, four hundred twenty-two thousand, one hundred eleven".

Divisors: 1 190613 3463154147 660122201422111