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214798660806 = 23191884198779
BaseRepresentation
bin1100100000001011111…
…1110111010011000110
3202112102200120112201210
43020002333313103012
512004401424121211
6242402132432250
721342624330462
oct3100277672306
9675380515653
10214798660806
1183106276094
1235767778686
13173422324c2
14a5796954a2
1558c27679a6
hex3202ff74c6

214798660806 has 16 divisors (see below), whose sum is σ = 452207707200. Its totient is φ = 67831156008.

The previous prime is 214798660801. The next prime is 214798660841. The reversal of 214798660806 is 608066897412.

It is a super-2 number, since 2×2147986608062 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214798660801) 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, 942099276 + ... + 942099503.

It is an arithmetic number, because the mean of its divisors is an integer number (28262981700).

Almost surely, 2214798660806 is an apocalyptic number.

214798660806 is an abundant number, since it is smaller than the sum of its proper divisors (237409046394).

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

214798660806 is a wasteful number, since it uses less digits than its factorization.

214798660806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1884198803.

The product of its (nonzero) digits is 6967296, while the sum is 57.

The spelling of 214798660806 in words is "two hundred fourteen billion, seven hundred ninety-eight million, six hundred sixty thousand, eight hundred six".

Divisors: 1 2 3 6 19 38 57 114 1884198779 3768397558 5652596337 11305192674 35799776801 71599553602 107399330403 214798660806