Base | Representation |
---|---|
bin | 1101110111010111100111… |
… | …11110000101100010111000 |
3 | 10222221210102120020202002001 |
4 | 12323223303332011202320 |
5 | 12444021022334144021 |
6 | 144502450223350344 |
7 | 6264545643301201 |
oct | 673536376054270 |
9 | 128853376222061 |
10 | 30489771006136 |
11 | 9795703959012 |
12 | 35051567523b4 |
13 | 1402233303520 |
14 | 7759d9c7c5a8 |
15 | 37d1978b9091 |
hex | 1bbaf3f858b8 |
30489771006136 has 128 divisors (see below), whose sum is σ = 62895174451200. Its totient is φ = 13770832320000.
The previous prime is 30489771006127. The next prime is 30489771006139. The reversal of 30489771006136 is 63160017798403.
It is a super-2 number, since 2×304897710061362 (a number of 28 digits) contains 22 as substring.
It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30489771006139) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1745155881 + ... + 1745173351.
It is an arithmetic number, because the mean of its divisors is an integer number (491368550400).
Almost surely, 230489771006136 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30489771006136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31447587225600).
30489771006136 is an abundant number, since it is smaller than the sum of its proper divisors (32405403445064).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30489771006136 is a wasteful number, since it uses less digits than its factorization.
30489771006136 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18941 (or 18937 counting only the distinct ones).
The product of its (nonzero) digits is 4572288, while the sum is 55.
The spelling of 30489771006136 in words is "thirty trillion, four hundred eighty-nine billion, seven hundred seventy-one million, six thousand, one hundred thirty-six".
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