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27243542952 = 2332378382541
BaseRepresentation
bin11001010111110101…
…110111100110101000
32121022122112101011100
4121113311313212220
5421243321333302
620303203401400
71653056202633
oct312765674650
977278471140
1027243542952
11106102a705a
125343983260
1327522a2222
14146631ac1a
15a96b40d1c
hex657d779a8

27243542952 has 24 divisors (see below), whose sum is σ = 73784595690. Its totient is φ = 9081180960.

The previous prime is 27243542923. The next prime is 27243542969. The reversal of 27243542952 is 25924534272.

27243542952 is a `hidden beast` number, since 2 + 7 + 2 + 4 + 354 + 295 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 27128066436 + 115476516 = 164706^2 + 10746^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 27243542898 and 27243542907.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 189191199 + ... + 189191342.

Almost surely, 227243542952 is an apocalyptic number.

It is an amenable number.

27243542952 is an abundant number, since it is smaller than the sum of its proper divisors (46541052738).

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

27243542952 is a wasteful number, since it uses less digits than its factorization.

27243542952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378382553 (or 378382546 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 45.

The spelling of 27243542952 in words is "twenty-seven billion, two hundred forty-three million, five hundred forty-two thousand, nine hundred fifty-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 378382541 756765082 1135147623 1513530164 2270295246 3027060328 3405442869 4540590492 6810885738 9081180984 13621771476 27243542952