Base | Representation |
---|---|
bin | 101111100010110110… |
… | …0011111100111100001 |
3 | 100202112121002101020211 |
4 | 1133011230133213201 |
5 | 3133100330220301 |
6 | 114523215134121 |
7 | 10243105243402 |
oct | 1370554374741 |
9 | 322477071224 |
10 | 102101023201 |
11 | 3a334402a11 |
12 | 17955514341 |
13 | 9821b98238 |
14 | 4d280d59a9 |
15 | 29c8905051 |
hex | 17c5b1f9e1 |
102101023201 has 4 divisors (see below), whose sum is σ = 102163778992. Its totient is φ = 102038267412.
The previous prime is 102101023139. The next prime is 102101023207. The reversal of 102101023201 is 102320101201.
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.
It is a cyclic number.
It is not a de Polignac number, because 102101023201 - 221 = 102098926049 is a prime.
It is a super-2 number, since 2×1021010232012 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (102101023207) 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, 31375455 + ... + 31378708.
It is an arithmetic number, because the mean of its divisors is an integer number (25540944748).
Almost surely, 2102101023201 is an apocalyptic number.
It is an amenable number.
102101023201 is a deficient number, since it is larger than the sum of its proper divisors (62755791).
102101023201 is an equidigital number, since it uses as much as digits as its factorization.
102101023201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 62755790.
The product of its (nonzero) digits is 24, while the sum is 13.
Adding to 102101023201 its reverse (102320101201), we get a palindrome (204421124402).
The spelling of 102101023201 in words is "one hundred two billion, one hundred one million, twenty-three thousand, two hundred one".
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