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165230488355 = 5203591623169
BaseRepresentation
bin1001100111100010000…
…0010010101100100011
3120210111012022111010212
42121320200102230203
510201343001111410
6203523354444335
714636364656252
oct2317040225443
9523435274125
10165230488355
116408a337509
12280334336ab
1312772a98b4a
147dd6452799
154470c71b05
hex2678812b23

165230488355 has 8 divisors (see below), whose sum is σ = 198286447200. Its totient is φ = 132177816576.

The previous prime is 165230488333. The next prime is 165230488373. The reversal of 165230488355 is 553884032561.

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 165230488355 - 214 = 165230471971 is a prime.

It is a super-3 number, since 3×1652304883553 (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 709790 + ... + 913379.

It is an arithmetic number, because the mean of its divisors is an integer number (24785805900).

Almost surely, 2165230488355 is an apocalyptic number.

165230488355 is a deficient number, since it is larger than the sum of its proper divisors (33055958845).

165230488355 is a wasteful number, since it uses less digits than its factorization.

165230488355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1643533.

The product of its (nonzero) digits is 3456000, while the sum is 50.

The spelling of 165230488355 in words is "one hundred sixty-five billion, two hundred thirty million, four hundred eighty-eight thousand, three hundred fifty-five".

Divisors: 1 5 20359 101795 1623169 8115845 33046097671 165230488355