Base | Representation |
---|---|
bin | 10010111101010001… |
… | …101111101111110110 |
3 | 1221112121022020000101 |
4 | 102331101233233312 |
5 | 313141441240110 |
6 | 13203503104314 |
7 | 1320266113216 |
oct | 227521575766 |
9 | 57477266011 |
10 | 20355415030 |
11 | 86a6112655 |
12 | 3b40ba209a |
13 | 1bc52087a2 |
14 | db15a2246 |
15 | 7e207413a |
hex | 4bd46fbf6 |
20355415030 has 8 divisors (see below), whose sum is σ = 36639747072. Its totient is φ = 8142166008.
The previous prime is 20355414979. The next prime is 20355415037. The reversal of 20355415030 is 3051455302.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a self number, because there is not a number n which added to its sum of digits gives 20355415030.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20355415037) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1017770742 + ... + 1017770761.
It is an arithmetic number, because the mean of its divisors is an integer number (4579968384).
Almost surely, 220355415030 is an apocalyptic number.
20355415030 is a deficient number, since it is larger than the sum of its proper divisors (16284332042).
20355415030 is a wasteful number, since it uses less digits than its factorization.
20355415030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2035541510.
The product of its (nonzero) digits is 9000, while the sum is 28.
The spelling of 20355415030 in words is "twenty billion, three hundred fifty-five million, four hundred fifteen thousand, thirty".
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