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148906784042 = 2269739374531
BaseRepresentation
bin1000101010101110001…
…0010011010100101010
3112020100120101101111122
42022223202103110222
54414430114042132
6152223513055242
713521022531502
oct2125342232452
9466316341448
10148906784042
1158172aa7895
1224a386b7522
1311070c35603
1472c84daa02
153d17b38912
hex22ab89352a

148906784042 has 16 divisors (see below), whose sum is σ = 224494480800. Its totient is φ = 74076041520.

The previous prime is 148906784041. The next prime is 148906784051. The reversal of 148906784042 is 240487609841.

It is not an unprimeable number, because it can be changed into a prime (148906784041) 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, 210317 + ... + 584847.

It is an arithmetic number, because the mean of its divisors is an integer number (14030905050).

Almost surely, 2148906784042 is an apocalyptic number.

148906784042 is a deficient number, since it is larger than the sum of its proper divisors (75587696758).

148906784042 is a wasteful number, since it uses less digits than its factorization.

148906784042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375541.

The product of its (nonzero) digits is 3096576, while the sum is 53.

The spelling of 148906784042 in words is "one hundred forty-eight billion, nine hundred six million, seven hundred eighty-four thousand, forty-two".

Divisors: 1 2 269 538 739 1478 198791 374531 397582 749062 100748839 201497678 276778409 553556818 74453392021 148906784042