Base | Representation |
---|---|
bin | 10010101011101100… |
… | …01110010011010101 |
3 | 221220000121120121210 |
4 | 21111312032103111 |
5 | 131020213243214 |
6 | 4335142132033 |
7 | 503362253325 |
oct | 112566162325 |
9 | 27800546553 |
10 | 10030212309 |
11 | 428787aa67 |
12 | 1b3b121019 |
13 | c3b037c90 |
14 | 6b2189285 |
15 | 3da879b59 |
hex | 255d8e4d5 |
10030212309 has 32 divisors (see below), whose sum is σ = 15183656320. Its totient is φ = 5838594048.
The previous prime is 10030212307. The next prime is 10030212329. The reversal of 10030212309 is 90321203001.
It is a happy number.
It is not a de Polignac number, because 10030212309 - 21 = 10030212307 is a prime.
It is a super-2 number, since 2×100302123092 (a number of 21 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 (10030212307) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 488637 + ... + 508749.
It is an arithmetic number, because the mean of its divisors is an integer number (474489260).
Almost surely, 210030212309 is an apocalyptic number.
10030212309 is a gapful number since it is divisible by the number (19) formed by its first and last digit.
It is an amenable number.
10030212309 is a deficient number, since it is larger than the sum of its proper divisors (5153444011).
10030212309 is a wasteful number, since it uses less digits than its factorization.
10030212309 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20821.
The product of its (nonzero) digits is 324, while the sum is 21.
The spelling of 10030212309 in words is "ten billion, thirty million, two hundred twelve thousand, three hundred nine".
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