Base | Representation |
---|---|
bin | 100011110011000001… |
… | …010000011001010000 |
3 | 10200012201212102010200 |
4 | 203303001100121100 |
5 | 1112204323244102 |
6 | 25354020455200 |
7 | 2530334344524 |
oct | 436301203120 |
9 | 120181772120 |
10 | 38436931152 |
11 | 15334711304 |
12 | 754854a500 |
13 | 38172aa559 |
14 | 1c08b6bd84 |
15 | eee68051c |
hex | 8f3050650 |
38436931152 has 30 divisors (see below), whose sum is σ = 107570023002. Its totient is φ = 12812310336.
The previous prime is 38436931121. The next prime is 38436931187. The reversal of 38436931152 is 25113963483.
38436931152 is a `hidden beast` number, since 38 + 436 + 9 + 31 + 152 = 666.
It can be written as a sum of positive squares in only one way, i.e., 30080046096 + 8356885056 = 173436^2 + 91416^2 .
It is a junction number, because it is equal to n+sod(n) for n = 38436931098 and 38436931107.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 133461423 + ... + 133461710.
Almost surely, 238436931152 is an apocalyptic number.
It is an amenable number.
38436931152 is an abundant number, since it is smaller than the sum of its proper divisors (69133091850).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38436931152 is a wasteful number, since it uses less digits than its factorization.
38436931152 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 266923147 (or 266923138 counting only the distinct ones).
The product of its digits is 466560, while the sum is 45.
The spelling of 38436931152 in words is "thirty-eight billion, four hundred thirty-six million, nine hundred thirty-one thousand, one hundred fifty-two".
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