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68912126 = 2191813477
BaseRepresentation
bin1000001101110…
…00001111111110
311210200002122222
410012320033332
5120120142001
610501005342
71464512663
oct406701776
9153602588
1068912126
1135998778
121b0b3852
131137a60a
14921ba6a
1560b361b
hex41b83fe

68912126 has 8 divisors (see below), whose sum is σ = 108808680. Its totient is φ = 32642568.

The previous prime is 68912111. The next prime is 68912143. The reversal of 68912126 is 62121986.

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

It is a super-2 number, since 2×689121262 = 9497762219679752, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 906701 + ... + 906776.

It is an arithmetic number, because the mean of its divisors is an integer number (13601085).

Almost surely, 268912126 is an apocalyptic number.

68912126 is a deficient number, since it is larger than the sum of its proper divisors (39896554).

68912126 is a wasteful number, since it uses less digits than its factorization.

68912126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1813498.

The product of its digits is 10368, while the sum is 35.

The square root of 68912126 is about 8301.3327845594. The cubic root of 68912126 is about 409.9824025761.

The spelling of 68912126 in words is "sixty-eight million, nine hundred twelve thousand, one hundred twenty-six".

Divisors: 1 2 19 38 1813477 3626954 34456063 68912126