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145106404666 = 22511351321391
BaseRepresentation
bin1000011100100100000…
…1000000010100111010
3111212112201022010001221
42013021001000110322
54334134214422131
6150354433502254
713324605042316
oct2071101002472
9455481263057
10145106404666
11565a2867593
1224157a1198a
13108b6797612
1470478aab46
153b94195411
hex21c904053a

145106404666 has 16 divisors (see below), whose sum is σ = 218553164928. Its totient is φ = 72255420000.

The previous prime is 145106404643. The next prime is 145106404679. The reversal of 145106404666 is 666404601541.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6772831 + ... + 6794221.

It is an arithmetic number, because the mean of its divisors is an integer number (13659572808).

Almost surely, 2145106404666 is an apocalyptic number.

145106404666 is a deficient number, since it is larger than the sum of its proper divisors (73446760262).

145106404666 is a wasteful number, since it uses less digits than its factorization.

145106404666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35157.

The product of its (nonzero) digits is 414720, while the sum is 43.

The spelling of 145106404666 in words is "one hundred forty-five billion, one hundred six million, four hundred four thousand, six hundred sixty-six".

Divisors: 1 2 251 502 13513 21391 27026 42782 3391763 5369141 6783526 10738282 289056583 578113166 72553202333 145106404666