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210434542252 = 221123434835797
BaseRepresentation
bin1100001111111011100…
…0000100101010101100
3202010011112201100112021
43003332320010222230
511421432220323002
6240401114315524
721126523044664
oct3037670045254
9663145640467
10210434542252
11812768a4240
123494a128ba4
1316ac805352c
14a283c3b1a4
15571956a737
hex30fee04aac

210434542252 has 48 divisors (see below), whose sum is σ = 428954625792. Its totient is φ = 89365510080.

The previous prime is 210434542249. The next prime is 210434542259. The reversal of 210434542252 is 252245434012.

210434542252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (210434542259) 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 15 ways as a sum of consecutive naturals, for example, 2374383 + ... + 2461414.

It is an arithmetic number, because the mean of its divisors is an integer number (8936554704).

Almost surely, 2210434542252 is an apocalyptic number.

210434542252 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

210434542252 is an abundant number, since it is smaller than the sum of its proper divisors (218520083540).

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

210434542252 is a wasteful number, since it uses less digits than its factorization.

210434542252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4835878 (or 4835876 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 34.

Adding to 210434542252 its reverse (252245434012), we get a palindrome (462679976264).

The spelling of 210434542252 in words is "two hundred ten billion, four hundred thirty-four million, five hundred forty-two thousand, two hundred fifty-two".

Divisors: 1 2 4 11 22 23 43 44 46 86 92 172 253 473 506 946 989 1012 1892 1978 3956 10879 21758 43516 4835797 9671594 19343188 53193767 106387534 111223331 207939271 212775068 222446662 415878542 444893324 831757084 1223456641 2287331981 2446913282 4574663962 4782603233 4893826564 9149327924 9565206466 19130412932 52608635563 105217271126 210434542252