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7668836834 = 289127339239
BaseRepresentation
bin1110010010001100…
…10010100111100010
3201210110021021102212
413021012102213202
5111201210234314
63304545442122
7361020015611
oct71106224742
921713237385
107668836834
11328594968a
1215a0340342
13952a53a99
1452a701878
152ed3d2e3e
hex1c91929e2

7668836834 has 16 divisors (see below), whose sum is σ = 11724134400. Its totient is φ = 3761470944.

The previous prime is 7668836779. The next prime is 7668836839. The reversal of 7668836834 is 4386388667.

It is a happy number.

It is a super-2 number, since 2×76688368342 (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7668836839) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147014 + ... + 192225.

It is an arithmetic number, because the mean of its divisors is an integer number (732758400).

Almost surely, 27668836834 is an apocalyptic number.

7668836834 is a deficient number, since it is larger than the sum of its proper divisors (4055297566).

7668836834 is a wasteful number, since it uses less digits than its factorization.

7668836834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339457.

The product of its digits is 27869184, while the sum is 59.

The square root of 7668836834 is about 87571.8952290060. The cubic root of 7668836834 is about 1972.0132676400.

The spelling of 7668836834 in words is "seven billion, six hundred sixty-eight million, eight hundred thirty-six thousand, eight hundred thirty-four".

Divisors: 1 2 89 127 178 254 11303 22606 339239 678478 30192271 43083353 60384542 86166706 3834418417 7668836834