Base | Representation |
---|---|
bin | 10011000011010011… |
… | …001110001111111010 |
3 | 1221210122110010001202 |
4 | 103003103032033322 |
5 | 313343323343102 |
6 | 13221513014202 |
7 | 1322634041552 |
oct | 230323161772 |
9 | 57718403052 |
10 | 20456465402 |
11 | 874816125a |
12 | 3b6a9b4362 |
13 | 1c101293c9 |
14 | dc0b88162 |
15 | 7ead84e02 |
hex | 4c34ce3fa |
20456465402 has 4 divisors (see below), whose sum is σ = 30684698106. Its totient is φ = 10228232700.
The previous prime is 20456465389. The next prime is 20456465413.
20456465402 is nontrivially palindromic in base 10.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in only one way, i.e., 12367441681 + 8089023721 = 111209^2 + 89939^2 .
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 as a sum of consecutive naturals, namely, 5114116349 + ... + 5114116352.
Almost surely, 220456465402 is an apocalyptic number.
20456465402 is a deficient number, since it is larger than the sum of its proper divisors (10228232704).
20456465402 is a wasteful number, since it uses less digits than its factorization.
20456465402 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10228232703.
The product of its (nonzero) digits is 230400, while the sum is 38.
The spelling of 20456465402 in words is "twenty billion, four hundred fifty-six million, four hundred sixty-five thousand, four hundred two".
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