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68459123466 = 23214272665231
BaseRepresentation
bin111111110000011110…
…110101001100001010
320112201000220210122100
4333300132311030022
52110201013422331
651241044334230
74642323643146
oct776036651412
9215630823570
1068459123466
1127040432798
12113269a4376
1365c01428a6
143456112226
151baa1deae6
hexff07b530a

68459123466 has 24 divisors (see below), whose sum is σ = 148432100544. Its totient is φ = 22803707880.

The previous prime is 68459123443. The next prime is 68459123501. The reversal of 68459123466 is 66432195486.

68459123466 is a `hidden beast` number, since 6 + 8 + 4 + 59 + 123 + 466 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1306930 + ... + 1358301.

It is an arithmetic number, because the mean of its divisors is an integer number (6184670856).

Almost surely, 268459123466 is an apocalyptic number.

68459123466 is an abundant number, since it is smaller than the sum of its proper divisors (79972977078).

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

68459123466 is a wasteful number, since it uses less digits than its factorization.

68459123466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2666666 (or 2666663 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 54.

The spelling of 68459123466 in words is "sixty-eight billion, four hundred fifty-nine million, one hundred twenty-three thousand, four hundred sixty-six".

Divisors: 1 2 3 6 9 18 1427 2854 4281 8562 12843 25686 2665231 5330462 7995693 15991386 23987079 47974158 3803284637 7606569274 11409853911 22819707822 34229561733 68459123466