Base | Representation |
---|---|
bin | 1101110111100111111010… |
… | …11110010011000100101000 |
3 | 10222222122000022201222020100 |
4 | 12323303331132103010220 |
5 | 12444141432204122223 |
6 | 144510454333025400 |
7 | 6265305523610664 |
oct | 673637536230450 |
9 | 128878008658210 |
10 | 30498520379688 |
11 | 9799393728949 |
12 | 3506998925260 |
13 | 1402cc8b81c3a |
14 | 7761c9c938a4 |
15 | 37d50aa8b043 |
hex | 1bbcfd793128 |
30498520379688 has 48 divisors (see below), whose sum is σ = 84000162074400. Its totient is φ = 9993865433760.
The previous prime is 30498520379687. The next prime is 30498520379693. The reversal of 30498520379688 is 88697302589403.
30498520379688 is a `hidden beast` number, since 3 + 0 + 4 + 9 + 8 + 520 + 3 + 7 + 96 + 8 + 8 = 666.
It is a Harshad number since it is a multiple of its sum of digits (72).
It is not an unprimeable number, because it can be changed into a prime (30498520379687) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3589746268 + ... + 3589754763.
It is an arithmetic number, because the mean of its divisors is an integer number (1750003376550).
Almost surely, 230498520379688 is an apocalyptic number.
It is an amenable number.
30498520379688 is an abundant number, since it is smaller than the sum of its proper divisors (53501641694712).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30498520379688 is a wasteful number, since it uses less digits than its factorization.
30498520379688 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7179501102 (or 7179501095 counting only the distinct ones).
The product of its (nonzero) digits is 627056640, while the sum is 72.
The spelling of 30498520379688 in words is "thirty trillion, four hundred ninety-eight billion, five hundred twenty million, three hundred seventy-nine thousand, six hundred eighty-eight".
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