Base | Representation |
---|---|
bin | 10001100101101100100100… |
… | …01001110001100110010100 |
3 | 12001221122022101220221112010 |
4 | 20302312102021301212110 |
5 | 20032202314412131333 |
6 | 214132415105424220 |
7 | 11101303366654101 |
oct | 1062662211614624 |
9 | 161848271827463 |
10 | 38678632536468 |
11 | 11362574798311 |
12 | 440821793b070 |
13 | 18774c16c95a2 |
14 | 97a0ad1a5aa8 |
15 | 4711beeb1563 |
hex | 232d92271994 |
38678632536468 has 24 divisors (see below), whose sum is σ = 91952975465568. Its totient is φ = 12649615672096.
The previous prime is 38678632536413. The next prime is 38678632536473. The reversal of 38678632536468 is 86463523687683.
It is a super-2 number, since 2×386786325364682 (a number of 28 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 38678632536468.
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, 30407729346 + ... + 30407730617.
It is an arithmetic number, because the mean of its divisors is an integer number (3831373977732).
Almost surely, 238678632536468 is an apocalyptic number.
It is an amenable number.
38678632536468 is an abundant number, since it is smaller than the sum of its proper divisors (53274342929100).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38678632536468 is a wasteful number, since it uses less digits than its factorization.
38678632536468 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 60815460023 (or 60815460021 counting only the distinct ones).
The product of its digits is 5016453120, while the sum is 75.
The spelling of 38678632536468 in words is "thirty-eight trillion, six hundred seventy-eight billion, six hundred thirty-two million, five hundred thirty-six thousand, four hundred sixty-eight".
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