Base | Representation |
---|---|
bin | 101111100000001100… |
… | …1101010010100100111 |
3 | 100202022101221201001012 |
4 | 1133000121222110213 |
5 | 3132410110401411 |
6 | 114510323252435 |
7 | 10240646252324 |
oct | 1370031522447 |
9 | 322271851035 |
10 | 102012200231 |
11 | 3a2992559a7 |
12 | 1792b81a11b |
13 | 9809668c76 |
14 | 4d1a3b3b4b |
15 | 29c0c0c18b |
hex | 17c066a527 |
102012200231 has 2 divisors, whose sum is σ = 102012200232. Its totient is φ = 102012200230.
The previous prime is 102012200201. The next prime is 102012200281. The reversal of 102012200231 is 132002210201.
It is a happy number.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 102012200231 - 230 = 100938458407 is a prime.
It is a super-2 number, since 2×1020122002312 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (102012200201) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51006100115 + 51006100116.
It is an arithmetic number, because the mean of its divisors is an integer number (51006100116).
Almost surely, 2102012200231 is an apocalyptic number.
102012200231 is a deficient number, since it is larger than the sum of its proper divisors (1).
102012200231 is an equidigital number, since it uses as much as digits as its factorization.
102012200231 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 48, while the sum is 14.
Adding to 102012200231 its reverse (132002210201), we get a palindrome (234014410432).
The spelling of 102012200231 in words is "one hundred two billion, twelve million, two hundred thousand, two hundred thirty-one".
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