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210031101330 = 235291991213141
BaseRepresentation
bin1100001110011011010…
…1000100010110010010
3202002010102120102121220
43003212311010112102
511420120430220310
6240253103225510
721113523622251
oct3034665042622
9662112512556
10210031101330
118108a099096
1234856ba8296
1316a625a89ab
14a24641c798
1556e3e27670
hex30e6d44592

210031101330 has 64 divisors (see below), whose sum is σ = 524077344000. Its totient is φ = 53805185280.

The previous prime is 210031101317. The next prime is 210031101337. The reversal of 210031101330 is 33101130012.

It is a super-2 number, since 2×2100311013302 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (210031101337) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 433441 + ... + 779700.

It is an arithmetic number, because the mean of its divisors is an integer number (8188708500).

Almost surely, 2210031101330 is an apocalyptic number.

210031101330 is an abundant number, since it is smaller than the sum of its proper divisors (314046242670).

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

210031101330 is a wasteful number, since it uses less digits than its factorization.

210031101330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1213379.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 210031101330 its reverse (33101130012), we get a palindrome (243132231342).

The spelling of 210031101330 in words is "two hundred ten billion, thirty-one million, one hundred one thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 15 29 30 58 87 145 174 199 290 398 435 597 870 995 1194 1990 2985 5771 5970 11542 17313 28855 34626 57710 86565 173130 1213141 2426282 3639423 6065705 7278846 12131410 18197115 35181089 36394230 70362178 105543267 175905445 211086534 241415059 351810890 482830118 527716335 724245177 1055432670 1207075295 1448490354 2414150590 3621225885 7001036711 7242451770 14002073422 21003110133 35005183555 42006220266 70010367110 105015550665 210031101330