Search a number
-
+
213476662356 = 22317789721863
BaseRepresentation
bin1100011011010000110…
…0110101110001010100
3202102000120000001210020
43012310030311301110
511444200011143411
6242023025425140
721265102455546
oct3066414656124
9672016001706
10213476662356
1182598013091
1235458a9b1b0
13171913945b9
14a491c89696
15584667e606
hex31b4335c54

213476662356 has 12 divisors (see below), whose sum is σ = 498112212192. Its totient is φ = 71158887448.

The previous prime is 213476662331. The next prime is 213476662361. The reversal of 213476662356 is 653266674312.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 213476662299 and 213476662308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8894860920 + ... + 8894860943.

It is an arithmetic number, because the mean of its divisors is an integer number (41509351016).

Almost surely, 2213476662356 is an apocalyptic number.

It is an amenable number.

213476662356 is an abundant number, since it is smaller than the sum of its proper divisors (284635549836).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213476662356 is a wasteful number, since it uses less digits than its factorization.

213476662356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17789721870 (or 17789721868 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 51.

The spelling of 213476662356 in words is "two hundred thirteen billion, four hundred seventy-six million, six hundred sixty-two thousand, three hundred fifty-six".

Divisors: 1 2 3 4 6 12 17789721863 35579443726 53369165589 71158887452 106738331178 213476662356