Search a number
-
+
210205510312 = 2375370823959
BaseRepresentation
bin1100001111000100111…
…0011000101010101000
3202002120120202022202211
43003301032120222220
511421000102312222
6240322253334504
721121042233250
oct3036116305250
9662516668684
10210205510312
1181169592146
12348a5497434
1316a8c772a85
14a26165c960
1557043c9277
hex30f1398aa8

210205510312 has 32 divisors (see below), whose sum is σ = 458939260800. Its totient is φ = 88388299584.

The previous prime is 210205510279. The next prime is 210205510379. The reversal of 210205510312 is 213015502012.

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 7 ways as a sum of consecutive naturals, for example, 35409012 + ... + 35414947.

It is an arithmetic number, because the mean of its divisors is an integer number (14341851900).

Almost surely, 2210205510312 is an apocalyptic number.

It is an amenable number.

210205510312 is an abundant number, since it is smaller than the sum of its proper divisors (248733750488).

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

210205510312 is a wasteful number, since it uses less digits than its factorization.

210205510312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70824025 (or 70824021 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The spelling of 210205510312 in words is "two hundred ten billion, two hundred five million, five hundred ten thousand, three hundred twelve".

Divisors: 1 2 4 7 8 14 28 53 56 106 212 371 424 742 1484 2968 70823959 141647918 283295836 495767713 566591672 991535426 1983070852 3753669827 3966141704 7507339654 15014679308 26275688789 30029358616 52551377578 105102755156 210205510312