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161500148027 = 1511508721011
BaseRepresentation
bin1001011001101000101…
…0001011000100111011
3120102212020000120012222
42112122022023010323
510121223014214102
6202105300354255
714445060415421
oct2263212130473
9512766016188
10161500148027
1162545694619
12273720a598b
13122c9cb138a
147b60c55111
154303515aa2
hex259a28b13b

161500148027 has 8 divisors (see below), whose sum is σ = 161646492672. Its totient is φ = 161353858600.

The previous prime is 161500147973. The next prime is 161500148081. The reversal of 161500148027 is 720841005161.

It is an interprime number because it is at equal distance from previous prime (161500147973) and next prime (161500148081).

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

It is a cyclic number.

It is not a de Polignac number, because 161500148027 - 28 = 161500147771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (161500148627) 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, 7675952 + ... + 7696962.

It is an arithmetic number, because the mean of its divisors is an integer number (20205811584).

Almost surely, 2161500148027 is an apocalyptic number.

161500148027 is a deficient number, since it is larger than the sum of its proper divisors (146344645).

161500148027 is a wasteful number, since it uses less digits than its factorization.

161500148027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27609.

The product of its (nonzero) digits is 13440, while the sum is 35.

The spelling of 161500148027 in words is "one hundred sixty-one billion, five hundred million, one hundred forty-eight thousand, twenty-seven".

Divisors: 1 1511 5087 21011 7686457 31747621 106882957 161500148027