Base | Representation |
---|---|
bin | 10011010101011001… |
… | …01000101010101111 |
3 | 222210101211200002222 |
4 | 21222230220222233 |
5 | 132224241123044 |
6 | 4433555505555 |
7 | 515140501100 |
oct | 115254505257 |
9 | 28711750088 |
10 | 10380020399 |
11 | 4447283a61 |
12 | 20182b82bb |
13 | c95654a08 |
14 | 7068063a7 |
15 | 40b4268ee |
hex | 26ab28aaf |
10380020399 has 24 divisors (see below), whose sum is σ = 12163971456. Its totient is φ = 8831592000.
The previous prime is 10380020383. The next prime is 10380020401. The reversal of 10380020399 is 99302008301.
It is not a de Polignac number, because 10380020399 - 24 = 10380020383 is a prime.
It is a super-2 number, since 2×103800203992 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10380020099) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8788589 + ... + 8789769.
It is an arithmetic number, because the mean of its divisors is an integer number (506832144).
Almost surely, 210380020399 is an apocalyptic number.
10380020399 is a deficient number, since it is larger than the sum of its proper divisors (1783951057).
10380020399 is a wasteful number, since it uses less digits than its factorization.
10380020399 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2367 (or 2360 counting only the distinct ones).
The product of its (nonzero) digits is 11664, while the sum is 35.
The spelling of 10380020399 in words is "ten billion, three hundred eighty million, twenty thousand, three hundred ninety-nine".
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