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20153882682 = 2321119660149
BaseRepresentation
bin10010110001010000…
…111101100000111010
31221000120002022121100
4102301100331200322
5312233343221212
613131503352230
71312301114313
oct226120754072
957016068540
1020153882682
11860238339a
123aa55b2676
131b92535b8b
14d9290160a
157ce515bdc
hex4b143d83a

20153882682 has 12 divisors (see below), whose sum is σ = 43666745850. Its totient is φ = 6717960888.

The previous prime is 20153882599. The next prime is 20153882731. The reversal of 20153882682 is 28628835102.

20153882682 is a `hidden beast` number, since 2 + 0 + 1 + 5 + 388 + 268 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 14459822001 + 5694060681 = 120249^2 + 75459^2 .

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, 559830057 + ... + 559830092.

Almost surely, 220153882682 is an apocalyptic number.

20153882682 is an abundant number, since it is smaller than the sum of its proper divisors (23512863168).

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

20153882682 is a wasteful number, since it uses less digits than its factorization.

20153882682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1119660157 (or 1119660154 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 45.

The spelling of 20153882682 in words is "twenty billion, one hundred fifty-three million, eight hundred eighty-two thousand, six hundred eighty-two".

Divisors: 1 2 3 6 9 18 1119660149 2239320298 3358980447 6717960894 10076941341 20153882682