Base | Representation |
---|---|
bin | 10010111100111000… |
… | …010111101000101110 |
3 | 1221112010210020200200 |
4 | 102330320113220232 |
5 | 313133240401140 |
6 | 13203104334330 |
7 | 1320155425455 |
oct | 227470275056 |
9 | 57463706620 |
10 | 20348762670 |
11 | 86a2389635 |
12 | 3b3a9143a6 |
13 | 1bc3a19892 |
14 | db074db9c |
15 | 7e16ad030 |
hex | 4bce17a2e |
20348762670 has 24 divisors (see below), whose sum is σ = 52906783176. Its totient is φ = 5426336688.
The previous prime is 20348762647. The next prime is 20348762701. The reversal of 20348762670 is 7626784302.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 113048592 + ... + 113048771.
It is an arithmetic number, because the mean of its divisors is an integer number (2204449299).
Almost surely, 220348762670 is an apocalyptic number.
20348762670 is an abundant number, since it is smaller than the sum of its proper divisors (32558020506).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20348762670 is a wasteful number, since it uses less digits than its factorization.
20348762670 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 226097376 (or 226097373 counting only the distinct ones).
The product of its (nonzero) digits is 677376, while the sum is 45.
The spelling of 20348762670 in words is "twenty billion, three hundred forty-eight million, seven hundred sixty-two thousand, six hundred seventy".
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