Base | Representation |
---|---|
bin | 10011001000111001… |
… | …000000001011111010 |
3 | 1222001011221010200200 |
4 | 103020321000023322 |
5 | 314041331132404 |
6 | 13235103143030 |
7 | 1325153200626 |
oct | 231071001372 |
9 | 58034833620 |
10 | 20550255354 |
11 | 87960a1012 |
12 | 3b962a4a76 |
13 | 1c266a7415 |
14 | dcd400186 |
15 | 80420e839 |
hex | 4c8e402fa |
20550255354 has 48 divisors (see below), whose sum is σ = 45091886112. Its totient is φ = 6763067424.
The previous prime is 20550255347. The next prime is 20550255403. The reversal of 20550255354 is 45355205502.
20550255354 is a `hidden beast` number, since 2 + 0 + 5 + 50 + 2 + 553 + 54 = 666.
It is a super-2 number, since 2×205502553542 (a number of 21 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2845452 + ... + 2852664.
It is an arithmetic number, because the mean of its divisors is an integer number (939414294).
Almost surely, 220550255354 is an apocalyptic number.
20550255354 is an abundant number, since it is smaller than the sum of its proper divisors (24541630758).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20550255354 is a wasteful number, since it uses less digits than its factorization.
20550255354 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9211 (or 9208 counting only the distinct ones).
The product of its (nonzero) digits is 150000, while the sum is 36.
The spelling of 20550255354 in words is "twenty billion, five hundred fifty million, two hundred fifty-five thousand, three hundred fifty-four".
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