Base | Representation |
---|---|
bin | 1100010111111011001… |
… | …0111101000100011001 |
3 | 202022201010001122121210 |
4 | 3011332302331010121 |
5 | 11440331123342212 |
6 | 241354101453333 |
7 | 21233643000120 |
oct | 3057662750431 |
9 | 668633048553 |
10 | 212580684057 |
11 | 82178288355 |
12 | 35248a11249 |
13 | 1707a878621 |
14 | a408c98ab7 |
15 | 57e2b9953c |
hex | 317ecbd119 |
212580684057 has 32 divisors (see below), whose sum is σ = 343224214272. Its totient is φ = 114250143744.
The previous prime is 212580684049. The next prime is 212580684079. The reversal of 212580684057 is 750486085212.
It is not a de Polignac number, because 212580684057 - 23 = 212580684049 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 212580683997 and 212580684015.
It is not an unprimeable number, because it can be changed into a prime (212580684037) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 313813 + ... + 723629.
It is an arithmetic number, because the mean of its divisors is an integer number (10725756696).
Almost surely, 2212580684057 is an apocalyptic number.
It is an amenable number.
212580684057 is a deficient number, since it is larger than the sum of its proper divisors (130643530215).
212580684057 is a wasteful number, since it uses less digits than its factorization.
212580684057 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 411297.
The product of its (nonzero) digits is 1075200, while the sum is 48.
The spelling of 212580684057 in words is "two hundred twelve billion, five hundred eighty million, six hundred eighty-four thousand, fifty-seven".
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