Base | Representation |
---|---|
bin | 10010111111111100… |
… | …101001000110001101 |
3 | 1221122201121021012210 |
4 | 102333330221012031 |
5 | 313234423330123 |
6 | 13212143221033 |
7 | 1321351650525 |
oct | 227774510615 |
9 | 57581537183 |
10 | 20400214413 |
11 | 8719431037 |
12 | 3b53ba7779 |
13 | 1c015929b7 |
14 | db7504685 |
15 | 7e5e72e93 |
hex | 4bff2918d |
20400214413 has 8 divisors (see below), whose sum is σ = 27832850848. Its totient is φ = 13283860464.
The previous prime is 20400214411. The next prime is 20400214453. The reversal of 20400214413 is 31441200402.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 20400214413 - 21 = 20400214411 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 20400214413.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20400214411) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79070470 + ... + 79070727.
It is an arithmetic number, because the mean of its divisors is an integer number (3479106356).
Almost surely, 220400214413 is an apocalyptic number.
It is an amenable number.
20400214413 is a deficient number, since it is larger than the sum of its proper divisors (7432636435).
20400214413 is a wasteful number, since it uses less digits than its factorization.
20400214413 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 158141243.
The product of its (nonzero) digits is 768, while the sum is 21.
Adding to 20400214413 its reverse (31441200402), we get a palindrome (51841414815).
The spelling of 20400214413 in words is "twenty billion, four hundred million, two hundred fourteen thousand, four hundred thirteen".
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