Search a number
-
+
212628739482 = 23210321113461
BaseRepresentation
bin1100011000000110101…
…0010001010110011010
3202022211110111010021100
43012001222101112122
511440430424130412
6241402535452230
721235065315315
oct3060152212632
9668743433240
10212628739482
11821a2420085
1235260b27076
13170878028a3
14a41140797c
1557e6edcedc
hex3181a9159a

212628739482 has 36 divisors (see below), whose sum is σ = 465212217834. Its totient is φ = 70188064560.

The previous prime is 212628739481. The next prime is 212628739489. The reversal of 212628739482 is 284937826212.

212628739482 is a `hidden beast` number, since 2 + 1 + 2 + 628 + 7 + 3 + 9 + 4 + 8 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 211692930201 + 935809281 = 460101^2 + 30591^2 .

It is not an unprimeable number, because it can be changed into a prime (212628739481) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 365769 + ... + 747692.

Almost surely, 2212628739482 is an apocalyptic number.

212628739482 is an abundant number, since it is smaller than the sum of its proper divisors (252583478352).

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

212628739482 is a wasteful number, since it uses less digits than its factorization.

212628739482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1113675 (or 1113569 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 54.

The spelling of 212628739482 in words is "two hundred twelve billion, six hundred twenty-eight million, seven hundred thirty-nine thousand, four hundred eighty-two".

Divisors: 1 2 3 6 9 18 103 206 309 618 927 1854 10609 21218 31827 63654 95481 190962 1113461 2226922 3340383 6680766 10021149 20042298 114686483 229372966 344059449 688118898 1032178347 2064356694 11812707749 23625415498 35438123247 70876246494 106314369741 212628739482