Base | Representation |
---|---|
bin | 1101101010001010011111… |
… | …10011010101001001001110 |
3 | 10221100102021122000110012210 |
4 | 12311011033303111021032 |
5 | 12414102310030010232 |
6 | 143514211344011250 |
7 | 6220014125230266 |
oct | 665051763251116 |
9 | 127312248013183 |
10 | 30036045156942 |
11 | 96302404a8a60 |
12 | 345122a900b26 |
13 | 139b505050c96 |
14 | 75ba765da7a6 |
15 | 37148e4aa5cc |
hex | 1b514fcd524e |
30036045156942 has 128 divisors (see below), whose sum is σ = 68352202211328. Its totient is φ = 8716887619200.
The previous prime is 30036045156941. The next prime is 30036045156977. The reversal of 30036045156942 is 24965154063003.
It is a junction number, because it is equal to n+sod(n) for n = 30036045156891 and 30036045156900.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30036045156941) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 77368188 + ... + 77755440.
It is an arithmetic number, because the mean of its divisors is an integer number (534001579776).
Almost surely, 230036045156942 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30036045156942, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34176101105664).
30036045156942 is an abundant number, since it is smaller than the sum of its proper divisors (38316157054386).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30036045156942 is a wasteful number, since it uses less digits than its factorization.
30036045156942 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 387694.
The product of its (nonzero) digits is 2332800, while the sum is 48.
The spelling of 30036045156942 in words is "thirty trillion, thirty-six billion, forty-five million, one hundred fifty-six thousand, nine hundred forty-two".
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