Base | Representation |
---|---|
bin | 10010111000100011… |
… | …001011111001101011 |
3 | 1221100002001122020011 |
4 | 102320203023321223 |
5 | 313011140210330 |
6 | 13151551112351 |
7 | 1315314004153 |
oct | 227043137153 |
9 | 57302048204 |
10 | 20276100715 |
11 | 866536a632 |
12 | 3b1a5126b7 |
13 | 1bb1958540 |
14 | da4c37763 |
15 | 7da10882a |
hex | 4b88cbe6b |
20276100715 has 16 divisors (see below), whose sum is σ = 27048220416. Its totient is φ = 14490115200.
The previous prime is 20276100701. The next prime is 20276100769. The reversal of 20276100715 is 51700167202.
It is not a de Polignac number, because 20276100715 - 25 = 20276100683 is a prime.
It is a super-2 number, since 2×202761007152 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (31).
It is a Duffinian 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 15 ways as a sum of consecutive naturals, for example, 5029276 + ... + 5033305.
It is an arithmetic number, because the mean of its divisors is an integer number (1690513776).
Almost surely, 220276100715 is an apocalyptic number.
20276100715 is a deficient number, since it is larger than the sum of its proper divisors (6772119701).
20276100715 is a wasteful number, since it uses less digits than its factorization.
20276100715 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10062630.
The product of its (nonzero) digits is 5880, while the sum is 31.
Adding to 20276100715 its reverse (51700167202), we get a palindrome (71976267917).
The spelling of 20276100715 in words is "twenty billion, two hundred seventy-six million, one hundred thousand, seven hundred fifteen".
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