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51131033353666 = 2719210116943679
BaseRepresentation
bin10111010000000110111110…
…00101000111110111000010
320201001002010121221201222201
423220003133011013313002
523200212324014304131
6300425134503223414
713525044446332330
oct1350033705076702
9221032117851881
1051131033353666
1115323605388002
125899653747b6a
13226b8359aaac6
14c8aa8046ab50
155da07ed08761
hex2e80df147dc2

51131033353666 has 24 divisors (see below), whose sum is σ = 92509333009920. Its totient is φ = 20759968427256.

The previous prime is 51131033353619. The next prime is 51131033353693. The reversal of 51131033353666 is 66635333013115.

51131033353666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×511310333536662 (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5058466786 + ... + 5058476893.

It is an arithmetic number, because the mean of its divisors is an integer number (3854555542080).

Almost surely, 251131033353666 is an apocalyptic number.

51131033353666 is a deficient number, since it is larger than the sum of its proper divisors (41378299656254).

51131033353666 is a wasteful number, since it uses less digits than its factorization.

51131033353666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10116943726 (or 10116943707 counting only the distinct ones).

The product of its (nonzero) digits is 1312200, while the sum is 46.

The spelling of 51131033353666 in words is "fifty-one trillion, one hundred thirty-one billion, thirty-three million, three hundred fifty-three thousand, six hundred sixty-six".

Divisors: 1 2 7 14 19 38 133 266 361 722 2527 5054 10116943679 20233887358 70818605753 141637211506 192221929901 384443859802 1345553509307 2691107018614 3652216668119 7304433336238 25565516676833 51131033353666