Base | Representation |
---|---|
bin | 1001001100110011111111… |
… | …01110100011001111100000 |
3 | 2122122002212202112102222220 |
4 | 10212121333232203033200 |
5 | 10122432441322423233 |
6 | 111010110020231040 |
7 | 4155446626004256 |
oct | 446317756431740 |
9 | 78562782472886 |
10 | 20231438873568 |
11 | 64a01178a227a |
12 | 2328ba3b3b480 |
13 | b39a7cb07680 |
14 | 4dd2c78d85d6 |
15 | 2513ed406eb3 |
hex | 12667fba33e0 |
20231438873568 has 48 divisors (see below), whose sum is σ = 57192721434576. Its totient is φ = 6225058114560.
The previous prime is 20231438873531. The next prime is 20231438873623. The reversal of 20231438873568 is 86537883413202.
It is a tau number, because it is divible by the number of its divisors (48).
It is a super-2 number, since 2×202314388735682 (a number of 27 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, 8105543173 + ... + 8105545668.
It is an arithmetic number, because the mean of its divisors is an integer number (1191515029887).
Almost surely, 220231438873568 is an apocalyptic number.
It is an amenable number.
20231438873568 is an abundant number, since it is smaller than the sum of its proper divisors (36961282561008).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20231438873568 is a wasteful number, since it uses less digits than its factorization.
20231438873568 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16211088867 (or 16211088859 counting only the distinct ones).
The product of its (nonzero) digits is 46448640, while the sum is 60.
The spelling of 20231438873568 in words is "twenty trillion, two hundred thirty-one billion, four hundred thirty-eight million, eight hundred seventy-three thousand, five hundred sixty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •