Base | Representation |
---|---|
bin | 10010110100010001… |
… | …00100100100111001 |
3 | 222002000221102112001 |
4 | 21122020210210321 |
5 | 131142121143001 |
6 | 4350231421001 |
7 | 505224460654 |
oct | 113210444471 |
9 | 28060842461 |
10 | 10102131001 |
11 | 43144315a6 |
12 | 1b5b224761 |
13 | c4cbc8c11 |
14 | 6bb94a89b |
15 | 3e1d34001 |
hex | 25a224939 |
10102131001 has 4 divisors (see below), whose sum is σ = 10541354112. Its totient is φ = 9662907892.
The previous prime is 10102130993. The next prime is 10102131029. The reversal of 10102131001 is 10013120101.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10013120101 = 167 ⋅59958803.
It is a cyclic number.
It is not a de Polignac number, because 10102131001 - 23 = 10102130993 is a prime.
It is a super-2 number, since 2×101021310012 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (10102131601) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 219611521 + ... + 219611566.
It is an arithmetic number, because the mean of its divisors is an integer number (2635338528).
Almost surely, 210102131001 is an apocalyptic number.
It is an amenable number.
10102131001 is a deficient number, since it is larger than the sum of its proper divisors (439223111).
10102131001 is an equidigital number, since it uses as much as digits as its factorization.
10102131001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 439223110.
The product of its (nonzero) digits is 6, while the sum is 10.
Adding to 10102131001 its reverse (10013120101), we get a palindrome (20115251102).
The spelling of 10102131001 in words is "ten billion, one hundred two million, one hundred thirty-one thousand, one".
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