Search a number
-
+
212644835032 = 23731711978641
BaseRepresentation
bin1100011000001010011…
…1101010111011011000
3202022212120202212012211
43012002213222323120
511440444034210112
6241404312444504
721235352163160
oct3060247527330
9668776685184
10212644835032
1182200513993
12352663a9734
131708ac49a96
14a4135d75a0
1557e861c0a7
hex31829eaed8

212644835032 has 32 divisors (see below), whose sum is σ = 457104978720. Its totient is φ = 90846005760.

The previous prime is 212644835027. The next prime is 212644835063. The reversal of 212644835032 is 230538446212.

It is a happy number.

212644835032 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5971569 + ... + 6007072.

It is an arithmetic number, because the mean of its divisors is an integer number (14284530585).

Almost surely, 2212644835032 is an apocalyptic number.

It is an amenable number.

212644835032 is an abundant number, since it is smaller than the sum of its proper divisors (244460143688).

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

212644835032 is a wasteful number, since it uses less digits than its factorization.

212644835032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11978971 (or 11978967 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 40.

The spelling of 212644835032 in words is "two hundred twelve billion, six hundred forty-four million, eight hundred thirty-five thousand, thirty-two".

Divisors: 1 2 4 7 8 14 28 56 317 634 1268 2219 2536 4438 8876 17752 11978641 23957282 47914564 83850487 95829128 167700974 335401948 670803896 3797229197 7594458394 15188916788 26580604379 30377833576 53161208758 106322417516 212644835032