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154027012338 = 23222737696283
BaseRepresentation
bin1000111101110010111…
…0011011000011110010
3112201120101222221021200
42033130232123003302
510010421403343323
6154431541232030
714061635001003
oct2173456330362
9481511887250
10154027012338
115a360262121
1225a27402616
13116a896acb4
1476525371aa
1540173dd443
hex23dcb9b0f2

154027012338 has 24 divisors (see below), whose sum is σ = 335195357328. Its totient is φ = 51116158392.

The previous prime is 154027012319. The next prime is 154027012429. The reversal of 154027012338 is 833210720451.

154027012338 is a `hidden beast` number, since 1 + 5 + 40 + 270 + 12 + 338 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18844056 + ... + 18852227.

It is an arithmetic number, because the mean of its divisors is an integer number (13966473222).

Almost surely, 2154027012338 is an apocalyptic number.

154027012338 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

154027012338 is an abundant number, since it is smaller than the sum of its proper divisors (181168344990).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

154027012338 is a wasteful number, since it uses less digits than its factorization.

154027012338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37696518 (or 37696515 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

Adding to 154027012338 its reverse (833210720451), we get a palindrome (987237732789).

The spelling of 154027012338 in words is "one hundred fifty-four billion, twenty-seven million, twelve thousand, three hundred thirty-eight".

Divisors: 1 2 3 6 9 18 227 454 681 1362 2043 4086 37696283 75392566 113088849 226177698 339266547 678533094 8557056241 17114112482 25671168723 51342337446 77013506169 154027012338