Base | Representation |
---|---|
bin | 10111001110001100000101… |
… | …100010010011101100011111 |
3 | 111101121112200200021222200102 |
4 | 113032030011202103230133 |
5 | 101341244441233224411 |
6 | 1001113532435251315 |
7 | 30340441405165610 |
oct | 2716140542235437 |
9 | 441545620258612 |
10 | 102130120211231 |
11 | 2a5a6160372612 |
12 | b555602749b3b |
13 | 44caaa1450c38 |
14 | 1b311a4addc07 |
15 | bc198ae58d3b |
hex | 5ce305893b1f |
102130120211231 has 8 divisors (see below), whose sum is σ = 117372205192320. Its totient is φ = 87051052182168.
The previous prime is 102130120211137. The next prime is 102130120211261. The reversal of 102130120211231 is 132112021031201.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 102130120211231 - 210 = 102130120210207 is a prime.
It is a super-2 number, since 2×1021301202112312 (a number of 29 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102130120211261) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40754236661 + ... + 40754239166.
It is an arithmetic number, because the mean of its divisors is an integer number (14671525649040).
Almost surely, 2102130120211231 is an apocalyptic number.
102130120211231 is a deficient number, since it is larger than the sum of its proper divisors (15242084981089).
102130120211231 is an equidigital number, since it uses as much as digits as its factorization.
102130120211231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 81508476013.
The product of its (nonzero) digits is 144, while the sum is 20.
Adding to 102130120211231 its reverse (132112021031201), we get a palindrome (234242141242432).
The spelling of 102130120211231 in words is "one hundred two trillion, one hundred thirty billion, one hundred twenty million, two hundred eleven thousand, two hundred thirty-one".
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