Base | Representation |
---|---|
bin | 11000110011011001100101… |
… | …11101010011110010100001 |
3 | 21011010020002200110001200020 |
4 | 30121230302331103302201 |
5 | 24122111314010441140 |
6 | 312000313420544053 |
7 | 14326401402554220 |
oct | 1431546275236241 |
9 | 234106080401606 |
10 | 54542644624545 |
11 | 16419450a6a810 |
12 | 614a8913b2029 |
13 | 24584705b740c |
14 | d67c41674cb7 |
15 | 648ba54cc6d0 |
hex | 319b32f53ca1 |
54542644624545 has 128 divisors (see below), whose sum is σ = 114541874565120. Its totient is φ = 21471537024000.
The previous prime is 54542644624537. The next prime is 54542644624547.
54542644624545 is nontrivially palindromic in base 10.
It is not a de Polignac number, because 54542644624545 - 23 = 54542644624537 is a prime.
It is not an unprimeable number, because it can be changed into a prime (54542644624547) by changing a digit.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 191679075 + ... + 191963415.
It is an arithmetic number, because the mean of its divisors is an integer number (894858395040).
Almost surely, 254542644624545 is an apocalyptic number.
54542644624545 is a gapful number since it is divisible by the number (55) formed by its first and last digit.
It is an amenable number.
54542644624545 is an abundant number, since it is smaller than the sum of its proper divisors (59999229940575).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54542644624545 is a wasteful number, since it uses less digits than its factorization.
54542644624545 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 293127.
The product of its digits is 368640000, while the sum is 60.
The spelling of 54542644624545 in words is "fifty-four trillion, five hundred forty-two billion, six hundred forty-four million, six hundred twenty-four thousand, five hundred forty-five".
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