Base | Representation |
---|---|
bin | 1100010001111110110… |
… | …0000001001010000000 |
3 | 202011120220120001010110 |
4 | 3010133230001022000 |
5 | 11424044131432042 |
6 | 240531501231320 |
7 | 21146256111222 |
oct | 3043754011200 |
9 | 664526501113 |
10 | 210985030272 |
11 | 81529605015 |
12 | 34a82562540 |
13 | 16b85104ba3 |
14 | a2d6db6412 |
15 | 574ca5809c |
hex | 311fb01280 |
210985030272 has 64 divisors (see below), whose sum is σ = 563998759200. Its totient is φ = 69880372224.
The previous prime is 210985030271. The next prime is 210985030279. The reversal of 210985030272 is 272030589012.
It is a tau number, because it is divible by the number of its divisors (64).
It is a self number, because there is not a number n which added to its sum of digits gives 210985030272.
It is not an unprimeable number, because it can be changed into a prime (210985030271) 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, 1689522 + ... + 1810097.
Almost surely, 2210985030272 is an apocalyptic number.
It is an amenable number.
210985030272 is an abundant number, since it is smaller than the sum of its proper divisors (353013728928).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
210985030272 is a wasteful number, since it uses less digits than its factorization.
210985030272 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3499793 (or 3499781 counting only the distinct ones).
The product of its (nonzero) digits is 60480, while the sum is 39.
The spelling of 210985030272 in words is "two hundred ten billion, nine hundred eighty-five million, thirty thousand, two hundred seventy-two".
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