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10690978136813 = 133722226565773
BaseRepresentation
bin1001101110010010111111…
…1101000100001011101101
31101212001021122111111220022
42123210233331010023231
52400130110400334223
634423211220331525
72152253255530562
oct233445775041355
941761248444808
1010690978136813
113452022499337
121247b96b43ba5
135c720245b980
1428d63616a869
1513816be50ac8
hex9b92ff442ed

10690978136813 has 8 divisors (see below), whose sum is σ = 11824532991768. Its totient is φ = 9601876413504.

The previous prime is 10690978136801. The next prime is 10690978136837. The reversal of 10690978136813 is 31863187909601.

It can be written as a sum of positive squares in 4 ways, for example, as 2831018248969 + 7859959887844 = 1682563^2 + 2803562^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 10690978136813 - 28 = 10690978136557 is a prime.

It is a super-2 number, since 2×106909781368132 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10690978136843) 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, 11113282406 + ... + 11113283367.

It is an arithmetic number, because the mean of its divisors is an integer number (1478066623971).

Almost surely, 210690978136813 is an apocalyptic number.

10690978136813 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

10690978136813 is a deficient number, since it is larger than the sum of its proper divisors (1133554854955).

10690978136813 is a wasteful number, since it uses less digits than its factorization.

10690978136813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22226565823.

The product of its (nonzero) digits is 11757312, while the sum is 62.

The spelling of 10690978136813 in words is "ten trillion, six hundred ninety billion, nine hundred seventy-eight million, one hundred thirty-six thousand, eight hundred thirteen".

Divisors: 1 13 37 481 22226565773 288945355049 822382933601 10690978136813