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1068158946 = 23178026491
BaseRepresentation
bin111111101010101…
…100111111100010
32202102221002121110
4333222230333202
54141422041241
6253554204150
735320126011
oct7752547742
92672832543
101068158946
114a8a47698
12259883656
131403b2a1a
14a1c10a78
1563b96816
hex3faacfe2

1068158946 has 8 divisors (see below), whose sum is σ = 2136317904. Its totient is φ = 356052980.

The previous prime is 1068158933. The next prime is 1068158947. The reversal of 1068158946 is 6498518601.

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

1068158946 is an admirable number.

It is a super-2 number, since 2×10681589462 = 2281927067839661832, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1068158895 and 1068158904.

It is not an unprimeable number, because it can be changed into a prime (1068158947) 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, 89013240 + ... + 89013251.

It is an arithmetic number, because the mean of its divisors is an integer number (267039738).

Almost surely, 21068158946 is an apocalyptic number.

1068158946 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1068158946 is a wasteful number, since it uses less digits than its factorization.

1068158946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178026496.

The product of its (nonzero) digits is 414720, while the sum is 48.

The square root of 1068158946 is about 32682.7010205705. The cubic root of 1068158946 is about 1022.2221660514. Note that the first 3 decimals are identical.

The spelling of 1068158946 in words is "one billion, sixty-eight million, one hundred fifty-eight thousand, nine hundred forty-six".

Divisors: 1 2 3 6 178026491 356052982 534079473 1068158946