Base | Representation |
---|---|
bin | 11110111011111110101000… |
… | …11100000111001110100101 |
3 | 22220212202022202210221022220 |
4 | 33131333110130013032211 |
5 | 32404112104043001043 |
6 | 400405132500542553 |
7 | 20221055154300063 |
oct | 1735772434071645 |
9 | 286782282727286 |
10 | 68031551140773 |
11 | 1a74a0230493a0 |
12 | 7768b789b1a59 |
13 | 2bc6469cc43cc |
14 | 12b2a5d437033 |
15 | 7ce9cb8de483 |
hex | 3ddfd47073a5 |
68031551140773 has 8 divisors (see below), whose sum is σ = 98954983477536. Its totient is φ = 41231243115600.
The previous prime is 68031551140759. The next prime is 68031551140789. The reversal of 68031551140773 is 37704115513086.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 68031551140773 - 28 = 68031551140517 is a prime.
It is a super-2 number, since 2×680315511407732 (a number of 28 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68031551140753) 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, 1030781077858 + ... + 1030781077923.
It is an arithmetic number, because the mean of its divisors is an integer number (12369372934692).
Almost surely, 268031551140773 is an apocalyptic number.
It is an amenable number.
68031551140773 is a deficient number, since it is larger than the sum of its proper divisors (30923432336763).
68031551140773 is a wasteful number, since it uses less digits than its factorization.
68031551140773 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2061562155795.
The product of its (nonzero) digits is 2116800, while the sum is 51.
The spelling of 68031551140773 in words is "sixty-eight trillion, thirty-one billion, five hundred fifty-one million, one hundred forty thousand, seven hundred seventy-three".
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