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27421148786 = 297491406357
BaseRepresentation
bin11001100010011011…
…011000011001110010
32121210000201200120012
4121202123120121302
5422124303230121
620332550214522
71660343630123
oct314233303162
977700650505
1027421148786
11106a1583a39
125393354442
132780018435
141481b5004a
15aa7524c5b
hex6626d8672

27421148786 has 8 divisors (see below), whose sum is σ = 41135971500. Its totient is φ = 13709158288.

The previous prime is 27421148779. The next prime is 27421148791. The reversal of 27421148786 is 68784112472.

It can be written as a sum of positive squares in 2 ways, for example, as 24670670761 + 2750478025 = 157069^2 + 52445^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 683681 + ... + 722676.

Almost surely, 227421148786 is an apocalyptic number.

27421148786 is a deficient number, since it is larger than the sum of its proper divisors (13714822714).

27421148786 is a wasteful number, since it uses less digits than its factorization.

27421148786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1416108.

The product of its digits is 1204224, while the sum is 50.

The spelling of 27421148786 in words is "twenty-seven billion, four hundred twenty-one million, one hundred forty-eight thousand, seven hundred eighty-six".

Divisors: 1 2 9749 19498 1406357 2812714 13710574393 27421148786