Base | Representation |
---|---|
bin | 10001110001000011010010… |
… | …111001010111100110101101 |
3 | 101020122212202112021010110221 |
4 | 101301003102321113212231 |
5 | 40220201232311144320 |
6 | 434103524335131341 |
7 | 22313153104314055 |
oct | 2161032271274655 |
9 | 336585675233427 |
10 | 78137583303085 |
11 | 22995a65806319 |
12 | 891b706673b51 |
13 | 347a45b5a9377 |
14 | 1541c447a8565 |
15 | 9078104093aa |
hex | 4710d2e579ad |
78137583303085 has 8 divisors (see below), whose sum is σ = 93766613481216. Its totient is φ = 62509057630800.
The previous prime is 78137583303079. The next prime is 78137583303107. The reversal of 78137583303085 is 58030338573187.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 78137583303085 - 23 = 78137583303077 is a prime.
It is a super-2 number, since 2×781375833030852 (a number of 29 digits) contains 22 as substring.
It is a Duffinian number.
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, 125785641 + ... + 126405310.
It is an arithmetic number, because the mean of its divisors is an integer number (11720826685152).
Almost surely, 278137583303085 is an apocalyptic number.
It is an amenable number.
78137583303085 is a deficient number, since it is larger than the sum of its proper divisors (15629030178131).
78137583303085 is a wasteful number, since it uses less digits than its factorization.
78137583303085 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 252252923.
The product of its (nonzero) digits is 50803200, while the sum is 61.
The spelling of 78137583303085 in words is "seventy-eight trillion, one hundred thirty-seven billion, five hundred eighty-three million, three hundred three thousand, eighty-five".
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