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68359629982 = 2719364739103
BaseRepresentation
bin111111101010100011…
…010010110010011110
320112110002201000020111
4333222203102302132
52110000031124412
651223132040234
74640005160530
oct775243226236
9215402630214
1068359629982
1126a9a257876
12112b960307a
1365a56487c7
143446c13850
151ba15da2a7
hexfea8d2c9e

68359629982 has 32 divisors (see below), whose sum is σ = 117980209152. Its totient is φ = 29099395584.

The previous prime is 68359629971. The next prime is 68359630007. The reversal of 68359629982 is 28992695386.

It is a super-2 number, since 2×683596299822 (a number of 22 digits) 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 15 ways as a sum of consecutive naturals, for example, 1728643 + ... + 1767745.

It is an arithmetic number, because the mean of its divisors is an integer number (3686881536).

Almost surely, 268359629982 is an apocalyptic number.

68359629982 is a deficient number, since it is larger than the sum of its proper divisors (49620579170).

68359629982 is a wasteful number, since it uses less digits than its factorization.

68359629982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39952.

The product of its digits is 100776960, while the sum is 67.

The spelling of 68359629982 in words is "sixty-eight billion, three hundred fifty-nine million, six hundred twenty-nine thousand, nine hundred eighty-two".

Divisors: 1 2 7 14 193 386 647 1294 1351 2702 4529 9058 39103 78206 124871 249742 273721 547442 874097 1748194 7546879 15093758 25299641 50599282 52828153 105656306 177097487 354194974 4882830713 9765661426 34179814991 68359629982