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200660012 = 22726926641
BaseRepresentation
bin10111111010111…
…01010000101100
3111222120120210022
423331131100230
5402332110022
631524501312
74654403420
oct1375352054
9458516708
10200660012
11a32a3923
125724a838
1332758847
141c914b80
1512939c42
hexbf5d42c

200660012 has 24 divisors (see below), whose sum is σ = 402827040. Its totient is φ = 85674240.

The previous prime is 200660011. The next prime is 200660051. The reversal of 200660012 is 210066002.

It is not an unprimeable number, because it can be changed into a prime (200660011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5789 + ... + 20852.

It is an arithmetic number, because the mean of its divisors is an integer number (16784460).

Almost surely, 2200660012 is an apocalyptic number.

It is an amenable number.

200660012 is an abundant number, since it is smaller than the sum of its proper divisors (202167028).

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

200660012 is a wasteful number, since it uses less digits than its factorization.

200660012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26921 (or 26919 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 200660012 is about 14165.4513517925. The cubic root of 200660012 is about 585.4461368975.

The spelling of 200660012 in words is "two hundred million, six hundred sixty thousand, twelve".

Divisors: 1 2 4 7 14 28 269 538 1076 1883 3766 7532 26641 53282 106564 186487 372974 745948 7166429 14332858 28665716 50165003 100330006 200660012