Search a number
-
+
212053222560 = 2535441777547
BaseRepresentation
bin1100010101111101011…
…0110110010010100000
3202021100100112211110210
43011133112312102200
511433241111110220
6241225500254120
721214606436364
oct3053726662240
9667310484423
10212053222560
1181a27574763
1235120241340
1316cc54c9b2a
14a398bd52a4
1557b17096e0
hex315f5b64a0

212053222560 has 48 divisors (see below), whose sum is σ = 667967652576. Its totient is φ = 56547525888.

The previous prime is 212053222531. The next prime is 212053222561. The reversal of 212053222560 is 65222350212.

212053222560 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (212053222561) by changing a digit.

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, 220888294 + ... + 220889253.

It is an arithmetic number, because the mean of its divisors is an integer number (13915992762).

Almost surely, 2212053222560 is an apocalyptic number.

212053222560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212053222560 is an abundant number, since it is smaller than the sum of its proper divisors (455914430016).

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

212053222560 is a wasteful number, since it uses less digits than its factorization.

212053222560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441777565 (or 441777557 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 212053222560 its reverse (65222350212), we get a palindrome (277275572772).

The spelling of 212053222560 in words is "two hundred twelve billion, fifty-three million, two hundred twenty-two thousand, five hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 160 240 480 441777547 883555094 1325332641 1767110188 2208887735 2650665282 3534220376 4417775470 5301330564 6626663205 7068440752 8835550940 10602661128 13253326410 14136881504 17671101880 21205322256 26506652820 35342203760 42410644512 53013305640 70684407520 106026611280 212053222560