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51368172814708 = 22615110091206897
BaseRepresentation
bin10111010111000000101011…
…01100011000000101110100
320201212202020021200112020021
423223200111230120011310
523213104004220032313
6301130113545014524
713551141131441401
oct1353402554300564
9221782207615207
1051368172814708
111540513542aa62
1259175b5184444
132287cc8546c19
14c98338c572a8
155e130da6c78d
hex2eb815b18174

51368172814708 has 24 divisors (see below), whose sum is σ = 89918261423424. Its totient is φ = 25677241872000.

The previous prime is 51368172814669. The next prime is 51368172814733. The reversal of 51368172814708 is 80741827186315.

It is a happy number.

It is a super-2 number, since 2×513681728147082 (a number of 28 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 7 ways as a sum of consecutive naturals, for example, 248175516 + ... + 248382412.

It is an arithmetic number, because the mean of its divisors is an integer number (3746594225976).

Almost surely, 251368172814708 is an apocalyptic number.

It is an amenable number.

51368172814708 is a deficient number, since it is larger than the sum of its proper divisors (38550088608716).

51368172814708 is a wasteful number, since it uses less digits than its factorization.

51368172814708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223143 (or 223141 counting only the distinct ones).

The product of its (nonzero) digits is 18063360, while the sum is 61.

The spelling of 51368172814708 in words is "fifty-one trillion, three hundred sixty-eight billion, one hundred seventy-two million, eight hundred fourteen thousand, seven hundred eight".

Divisors: 1 2 4 6151 10091 12302 20182 24604 40364 206897 413794 827588 62069741 124139482 248278964 1272623447 2087797627 2545246894 4175595254 5090493788 8351190508 12842043203677 25684086407354 51368172814708