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201030211312 = 2471794912601
BaseRepresentation
bin1011101100111001010…
…1011001011011110000
3201012220010210211201221
42323032111121123300
511243202213230222
6232204011034424
720344500413350
oct2731625313360
9635803724657
10201030211312
117829034a207
1232b6473ba14
1315c598a6578
149a30c54b60
155368b220c7
hex2ece5596f0

201030211312 has 20 divisors (see below), whose sum is σ = 445138325296. Its totient is φ = 86155804800.

The previous prime is 201030211289. The next prime is 201030211441. The reversal of 201030211312 is 213112030102.

It is a super-2 number, since 2×2010302113122 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 897456189 + ... + 897456412.

Almost surely, 2201030211312 is an apocalyptic number.

It is an amenable number.

201030211312 is an abundant number, since it is smaller than the sum of its proper divisors (244108113984).

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

201030211312 is a wasteful number, since it uses less digits than its factorization.

201030211312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1794912616 (or 1794912610 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 201030211312 its reverse (213112030102), we get a palindrome (414142241414).

The spelling of 201030211312 in words is "two hundred one billion, thirty million, two hundred eleven thousand, three hundred twelve".

Divisors: 1 2 4 7 8 14 16 28 56 112 1794912601 3589825202 7179650404 12564388207 14359300808 25128776414 28718601616 50257552828 100515105656 201030211312