Base | Representation |
---|---|
bin | 1001001011111101010001… |
… | …0111010101111110100101 |
3 | 1022202122112012212220222010 |
4 | 2102333110113111332211 |
5 | 2310443402414031041 |
6 | 33252203302024433 |
7 | 2061526651604511 |
oct | 222772427257645 |
9 | 38678465786863 |
10 | 10101031002021 |
11 | 3244906738203 |
12 | 1171792a18119 |
13 | 5836a543b21b |
14 | 26cc6d08b141 |
15 | 127b3e934a16 |
hex | 92fd45d5fa5 |
10101031002021 has 16 divisors (see below), whose sum is σ = 13548214679936. Its totient is φ = 6693987557376.
The previous prime is 10101031002001. The next prime is 10101031002061. The reversal of 10101031002021 is 12020013010101.
It is not a de Polignac number, because 10101031002021 - 214 = 10101030985637 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 10101031001988 and 10101031002006.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10101031002001) 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, 5939980 + ... + 7448853.
It is an arithmetic number, because the mean of its divisors is an integer number (846763417496).
Almost surely, 210101031002021 is an apocalyptic number.
It is an amenable number.
10101031002021 is a deficient number, since it is larger than the sum of its proper divisors (3447183677915).
10101031002021 is a wasteful number, since it uses less digits than its factorization.
10101031002021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13390332.
The product of its (nonzero) digits is 12, while the sum is 12.
Adding to 10101031002021 its reverse (12020013010101), we get a palindrome (22121044012122).
The spelling of 10101031002021 in words is "ten trillion, one hundred one billion, thirty-one million, two thousand, twenty-one".
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