Base | Representation |
---|---|
bin | 1001010011011101110010… |
… | …1000101010111101001101 |
3 | 1100012222110121011000101200 |
4 | 2110313130220222331031 |
5 | 2320102034301443010 |
6 | 33431334501500113 |
7 | 2104044254621262 |
oct | 224673450527515 |
9 | 40188417130350 |
10 | 10230018781005 |
11 | 32945879a6741 |
12 | 1192790711639 |
13 | 5928c06b70ba |
14 | 2751c7d47269 |
15 | 12b18d9a0cc0 |
hex | 94ddca2af4d |
10230018781005 has 24 divisors (see below), whose sum is σ = 17733252301440. Its totient is φ = 5455634709600.
The previous prime is 10230018780979. The next prime is 10230018781007. The reversal of 10230018781005 is 50018781003201.
It is not a de Polignac number, because 10230018781005 - 211 = 10230018778957 is a prime.
It is a super-2 number, since 2×102300187810052 (a number of 27 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10230018781007) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7156825 + ... + 8466414.
It is an arithmetic number, because the mean of its divisors is an integer number (738885512560).
Almost surely, 210230018781005 is an apocalyptic number.
10230018781005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
10230018781005 is a deficient number, since it is larger than the sum of its proper divisors (7503233520435).
10230018781005 is a wasteful number, since it uses less digits than its factorization.
10230018781005 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15637801 (or 15637798 counting only the distinct ones).
The product of its (nonzero) digits is 13440, while the sum is 36.
Adding to 10230018781005 its reverse (50018781003201), we get a palindrome (60248799784206).
The spelling of 10230018781005 in words is "ten trillion, two hundred thirty billion, eighteen million, seven hundred eighty-one thousand, five".
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