Base | Representation |
---|---|
bin | 10010110001001101… |
… | …101010111010010110 |
3 | 1221000111110111022011 |
4 | 102301031222322112 |
5 | 312233133120204 |
6 | 13131433054434 |
7 | 1312260562336 |
oct | 226115527226 |
9 | 57014414264 |
10 | 20153020054 |
11 | 8601944282 |
12 | 3aa525741a |
13 | 1b922c334b |
14 | d927590c6 |
15 | 7ce3e5304 |
hex | 4b136ae96 |
20153020054 has 32 divisors (see below), whose sum is σ = 33090508800. Its totient is φ = 9168636960.
The previous prime is 20153019979. The next prime is 20153020057. The reversal of 20153020054 is 45002035102.
It is a super-2 number, since 2×201530200542 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20153020057) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162609 + ... + 258355.
It is an arithmetic number, because the mean of its divisors is an integer number (1034078400).
Almost surely, 220153020054 is an apocalyptic number.
20153020054 is a deficient number, since it is larger than the sum of its proper divisors (12937488746).
20153020054 is a wasteful number, since it uses less digits than its factorization.
20153020054 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 95988.
The product of its (nonzero) digits is 1200, while the sum is 22.
Adding to 20153020054 its reverse (45002035102), we get a palindrome (65155055156).
The spelling of 20153020054 in words is "twenty billion, one hundred fifty-three million, twenty thousand, fifty-four".
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