Base | Representation |
---|---|
bin | 101111100000011011… |
… | …1110011101101100011 |
3 | 100202022221211012121202 |
4 | 1133000313303231203 |
5 | 3132414121244021 |
6 | 114511204511415 |
7 | 10241103365441 |
oct | 1370067635543 |
9 | 322287735552 |
10 | 102020103011 |
11 | 3a2a2763422 |
12 | 179323ab56b |
13 | 980b1a5078 |
14 | 4d1b46db91 |
15 | 29c176da0b |
hex | 17c0df3b63 |
102020103011 has 16 divisors (see below), whose sum is σ = 104419061760. Its totient is φ = 99650809440.
The previous prime is 102020103001. The next prime is 102020103043. The reversal of 102020103011 is 110301020201.
It is a cyclic number.
It is not a de Polignac number, because 102020103011 - 210 = 102020101987 is a prime.
It is a super-2 number, since 2×1020201030112 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 102020102983 and 102020103001.
It is not an unprimeable number, because it can be changed into a prime (102020103001) 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, 8888006 + ... + 8899476.
It is an arithmetic number, because the mean of its divisors is an integer number (6526191360).
Almost surely, 2102020103011 is an apocalyptic number.
102020103011 is a deficient number, since it is larger than the sum of its proper divisors (2398958749).
102020103011 is a wasteful number, since it uses less digits than its factorization.
102020103011 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12746.
The product of its (nonzero) digits is 12, while the sum is 11.
Adding to 102020103011 its reverse (110301020201), we get a palindrome (212321123212).
The spelling of 102020103011 in words is "one hundred two billion, twenty million, one hundred three thousand, eleven".
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