Search a number
-
+
210054315140 = 225163269239531
BaseRepresentation
bin1100001110100000110…
…1100111110010000100
3202002012001020210222122
43003220031213302010
511420142401041030
6240255252545112
721114225135065
oct3035015476204
9662161223878
10210054315140
11810a1203a5a
1234862922198
1316a67345b87
14a24954256c
1556e5eb08e5
hex30e8367c84

210054315140 has 48 divisors (see below), whose sum is σ = 445472032320. Its totient is φ = 83195475840.

The previous prime is 210054315137. The next prime is 210054315157. The reversal of 210054315140 is 41513450012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 757175 + ... + 996705.

It is an arithmetic number, because the mean of its divisors is an integer number (9280667340).

Almost surely, 2210054315140 is an apocalyptic number.

210054315140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210054315140 is an abundant number, since it is smaller than the sum of its proper divisors (235417717180).

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

210054315140 is a wasteful number, since it uses less digits than its factorization.

210054315140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239972 (or 239970 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 210054315140 its reverse (41513450012), we get a palindrome (251567765152).

The spelling of 210054315140 in words is "two hundred ten billion, fifty-four million, three hundred fifteen thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 163 269 326 538 652 815 1076 1345 1630 2690 3260 5380 43847 87694 175388 219235 239531 438470 479062 876940 958124 1197655 2395310 4790620 39043553 64433839 78087106 128867678 156174212 195217765 257735356 322169195 390435530 644338390 780871060 1288676780 10502715757 21005431514 42010863028 52513578785 105027157570 210054315140