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148790690728 = 2325785018513
BaseRepresentation
bin1000101010010010011…
…1011100001110101000
3112020001110221020102021
42022210213130032220
54414210404100403
6152204204514224
713515113001151
oct2124447341650
9466043836367
10148790690728
11581135141a9
1224a0584b974
1311052b78944
1472b6d1a928
153d0c8558bd
hex22a49dc3a8

148790690728 has 32 divisors (see below), whose sum is σ = 280133928360. Its totient is φ = 74088448000.

The previous prime is 148790690723. The next prime is 148790690743. The reversal of 148790690728 is 827096097841.

It can be written as a sum of positive squares in 4 ways, for example, as 148781461284 + 9229444 = 385722^2 + 3038^2 .

It is not an unprimeable number, because it can be changed into a prime (148790690723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17473800 + ... + 17482312.

Almost surely, 2148790690728 is an apocalyptic number.

It is an amenable number.

148790690728 is a deficient number, since it is larger than the sum of its proper divisors (131343237632).

148790690728 is a wasteful number, since it uses less digits than its factorization.

148790690728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17277 (or 17273 counting only the distinct ones).

The product of its (nonzero) digits is 12192768, while the sum is 61.

The spelling of 148790690728 in words is "one hundred forty-eight billion, seven hundred ninety million, six hundred ninety thousand, seven hundred twenty-eight".

Divisors: 1 2 4 8 257 514 1028 2056 8501 8513 17002 17026 34004 34052 68008 68104 2184757 2187841 4369514 4375682 8739028 8751364 17478056 17502728 72369013 144738026 289476052 578952104 18598836341 37197672682 74395345364 148790690728