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66468086466 = 23101463236897
BaseRepresentation
bin111101111001110011…
…101000001011000010
320100120021102122100020
4331321303220023002
52042111312231331
650311321434310
74542066261435
oct757163501302
9210507378306
1066468086466
1126209558171
1210a7003b996
1363637b60a2
14330790b81c
151ae04ecc96
hexf79ce82c2

66468086466 has 32 divisors (see below), whose sum is σ = 134542902528. Its totient is φ = 21889190400.

The previous prime is 66468086459. The next prime is 66468086533.

It is a happy number.

66468086466 is nontrivially palindromic in base 10.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 162130 + ... + 399026.

It is an arithmetic number, because the mean of its divisors is an integer number (4204465704).

Almost surely, 266468086466 is an apocalyptic number.

66468086466 is an abundant number, since it is smaller than the sum of its proper divisors (68074816062).

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

66468086466 is a wasteful number, since it uses less digits than its factorization.

66468086466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237466.

The product of its (nonzero) digits is 47775744, while the sum is 60.

The spelling of 66468086466 in words is "sixty-six billion, four hundred sixty-eight million, eighty-six thousand, four hundred sixty-six".

Divisors: 1 2 3 6 101 202 303 463 606 926 1389 2778 46763 93526 140289 236897 280578 473794 710691 1421382 23926597 47853194 71779791 109683311 143559582 219366622 329049933 658099866 11078014411 22156028822 33234043233 66468086466