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148830732289 = 409363889321
BaseRepresentation
bin1000101010011100000…
…0001100000000000001
3112020011021021120010001
42022213000030000001
54414301131413124
6152212155040001
713516110231331
oct2124700140001
9466137246101
10148830732289
1158134082aa8
1224a17140001
131105b258385
1472bc3810c1
153d11114b44
hex22a700c001

148830732289 has 4 divisors (see below), whose sum is σ = 149194622020. Its totient is φ = 148466842560.

The previous prime is 148830732283. The next prime is 148830732319. The reversal of 148830732289 is 982237038841.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 108048949264 + 40781783025 = 328708^2 + 201945^2 .

It is a cyclic number.

It is not a de Polignac number, because 148830732289 - 231 = 146683248641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148830732283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181944252 + ... + 181945069.

It is an arithmetic number, because the mean of its divisors is an integer number (37298655505).

Almost surely, 2148830732289 is an apocalyptic number.

It is an amenable number.

148830732289 is a deficient number, since it is larger than the sum of its proper divisors (363889731).

148830732289 is an equidigital number, since it uses as much as digits as its factorization.

148830732289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363889730.

The product of its (nonzero) digits is 4644864, while the sum is 55.

The spelling of 148830732289 in words is "one hundred forty-eight billion, eight hundred thirty million, seven hundred thirty-two thousand, two hundred eighty-nine".

Divisors: 1 409 363889321 148830732289