Base | Representation |
---|---|
bin | 1011110010000110110… |
… | …0010010101101010001 |
3 | 201100111121100112202010 |
4 | 2330201230102231101 |
5 | 11304033223101001 |
6 | 232554450013133 |
7 | 20424241514112 |
oct | 2744154225521 |
9 | 640447315663 |
10 | 202428722001 |
11 | 78938810a70 |
12 | 33294b771a9 |
13 | 1612055319c |
14 | 9b2489a209 |
15 | 53eb7c08d6 |
hex | 2f21b12b51 |
202428722001 has 16 divisors (see below), whose sum is σ = 294454399680. Its totient is φ = 122678814720.
The previous prime is 202428721993. The next prime is 202428722021. The reversal of 202428722001 is 100227824202.
It is not a de Polignac number, because 202428722001 - 23 = 202428721993 is a prime.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 202428722001.
It is not an unprimeable number, because it can be changed into a prime (202428722021) 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, 735265 + ... + 972353.
It is an arithmetic number, because the mean of its divisors is an integer number (18403399980).
Almost surely, 2202428722001 is an apocalyptic number.
It is an amenable number.
202428722001 is a deficient number, since it is larger than the sum of its proper divisors (92025677679).
202428722001 is a wasteful number, since it uses less digits than its factorization.
202428722001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 262976.
The product of its (nonzero) digits is 7168, while the sum is 30.
It can be divided in two parts, 202428 and 722001, that added together give a palindrome (924429).
The spelling of 202428722001 in words is "two hundred two billion, four hundred twenty-eight million, seven hundred twenty-two thousand, one".
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