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161187608202 = 2326864601367
BaseRepresentation
bin1001011000011110000…
…1111011011010001010
3120102001102220220011220
42112013201323122022
510120103011430302
6202014253502510
714434244030535
oct2260741733212
9512042826156
10161187608202
11623a5225845
12272a54a1a36
131227a31297a
147b31539a1c
1542d5d7b4bc
hex258787b68a

161187608202 has 8 divisors (see below), whose sum is σ = 322375216416. Its totient is φ = 53729202732.

The previous prime is 161187608159. The next prime is 161187608203. The reversal of 161187608202 is 202806781161.

161187608202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

161187608202 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (161187608203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13432300678 + ... + 13432300689.

It is an arithmetic number, because the mean of its divisors is an integer number (40296902052).

Almost surely, 2161187608202 is an apocalyptic number.

161187608202 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

161187608202 is a wasteful number, since it uses less digits than its factorization.

161187608202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26864601372.

The product of its (nonzero) digits is 64512, while the sum is 42.

The spelling of 161187608202 in words is "one hundred sixty-one billion, one hundred eighty-seven million, six hundred eight thousand, two hundred two".

Divisors: 1 2 3 6 26864601367 53729202734 80593804101 161187608202