Base | Representation |
---|---|
bin | 10010101000001101… |
… | …111101101100001110 |
3 | 1220121222111001200201 |
4 | 102220031331230032 |
5 | 311431014231110 |
6 | 13104442244114 |
7 | 1305446030161 |
oct | 225015755416 |
9 | 56558431621 |
10 | 20002102030 |
11 | 8534735339 |
12 | 3a627b663a |
13 | 1b69c62641 |
14 | d7a6b1ad8 |
15 | 7c1033b3a |
hex | 4a837db0e |
20002102030 has 32 divisors (see below), whose sum is σ = 37596109824. Its totient is φ = 7647489696.
The previous prime is 20002101997. The next prime is 20002102067. The reversal of 20002102030 is 3020120002.
It is a Harshad number since it is a multiple of its sum of digits (10).
It is a junction number, because it is equal to n+sod(n) for n = 20002101998 and 20002102016.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 297739 + ... + 358681.
It is an arithmetic number, because the mean of its divisors is an integer number (1174878432).
Almost surely, 220002102030 is an apocalyptic number.
20002102030 is a deficient number, since it is larger than the sum of its proper divisors (17594007794).
20002102030 is a wasteful number, since it uses less digits than its factorization.
20002102030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 62400.
The product of its (nonzero) digits is 24, while the sum is 10.
Adding to 20002102030 its reverse (3020120002), we get a palindrome (23022222032).
The spelling of 20002102030 in words is "twenty billion, two million, one hundred two thousand, thirty".
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