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200912552071470 = 23253364166358363
BaseRepresentation
bin101101101011101010011001…
…010011000001000100101110
3222100101001102012100102211200
4231223222121103001010232
5202313222401312241340
61551145541403230330
760214311223041561
oct5553523123010456
9870331365312750
10200912552071470
1159020597957228
121a64a2472183a6
138814c84396ac5
1437883100964d8
1518362e353d330
hexb6ba994c112e

200912552071470 has 48 divisors (see below), whose sum is σ = 522388171114992. Its totient is φ = 53575087144320.

The previous prime is 200912552071447. The next prime is 200912552071477. The reversal of 200912552071470 is 74170255219002.

200912552071470 is a `hidden beast` number, since 2 + 0 + 0 + 9 + 12 + 5 + 520 + 71 + 47 + 0 = 666.

It is a super-2 number, since 2×2009125520714702 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200912552071477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30151492 + ... + 36206871.

It is an arithmetic number, because the mean of its divisors is an integer number (10883086898229).

Almost surely, 2200912552071470 is an apocalyptic number.

200912552071470 is an abundant number, since it is smaller than the sum of its proper divisors (321475619043522).

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

200912552071470 is a wasteful number, since it uses less digits than its factorization.

200912552071470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66392017 (or 66392014 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 45.

The spelling of 200912552071470 in words is "two hundred trillion, nine hundred twelve billion, five hundred fifty-two million, seventy-one thousand, four hundred seventy".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 33641 67282 100923 168205 201846 302769 336410 504615 605538 1009230 1513845 3027690 66358363 132716726 199075089 331791815 398150178 597225267 663583630 995375445 1194450534 1990750890 2986126335 5972252670 2232361689683 4464723379366 6697085069049 11161808448415 13394170138098 20091255207147 22323616896830 33485425345245 40182510414294 66970850690490 100456276035735 200912552071470