Base | Representation |
---|---|
bin | 11010110001111010… |
… | …010000011111011110 |
3 | 2202012221221012121110 |
4 | 122301322100133132 |
5 | 432342142033120 |
6 | 21113143442450 |
7 | 2035365301110 |
oct | 326172203736 |
9 | 82187835543 |
10 | 28754642910 |
11 | 112162788a4 |
12 | 56a5a56426 |
13 | 293337c906 |
14 | 156acad3b0 |
15 | b3462e2e0 |
hex | 6b1e907de |
28754642910 has 64 divisors (see below), whose sum is σ = 78906668544. Its totient is φ = 6569424000.
The previous prime is 28754642899. The next prime is 28754642927. The reversal of 28754642910 is 1924645782.
It is a super-2 number, since 2×287546429102 (a number of 22 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 28754642910.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 435585 + ... + 497235.
It is an arithmetic number, because the mean of its divisors is an integer number (1232916696).
Almost surely, 228754642910 is an apocalyptic number.
28754642910 is an abundant number, since it is smaller than the sum of its proper divisors (50152025634).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28754642910 is a wasteful number, since it uses less digits than its factorization.
28754642910 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 63889.
The product of its (nonzero) digits is 967680, while the sum is 48.
The spelling of 28754642910 in words is "twenty-eight billion, seven hundred fifty-four million, six hundred forty-two thousand, nine hundred ten".
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