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354840681132 = 223271453969097
BaseRepresentation
bin1010010100111100010…
…01110001101010101100
31020220220110100021112100
411022132021301222230
521303203203244012
6431002255135100
734431166011150
oct5123611615254
91226813307470
10354840681132
1112753a34a773
125892b514490
13275cc7177a2
1413262701060
15936bed98dc
hex529e271aac

354840681132 has 72 divisors (see below), whose sum is σ = 1025801862176. Its totient is φ = 101313172224.

The previous prime is 354840681121. The next prime is 354840681133. The reversal of 354840681132 is 231186048453.

354840681132 is a `hidden beast` number, since 3 + 548 + 4 + 0 + 68 + 11 + 32 = 666.

It is not an unprimeable number, because it can be changed into a prime (354840681133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 118393 + ... + 850704.

Almost surely, 2354840681132 is an apocalyptic number.

It is an amenable number.

354840681132 is an abundant number, since it is smaller than the sum of its proper divisors (670961181044).

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

354840681132 is a wasteful number, since it uses less digits than its factorization.

354840681132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 970567 (or 970562 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The spelling of 354840681132 in words is "three hundred fifty-four billion, eight hundred forty million, six hundred eighty-one thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 84 126 252 1453 2906 4359 5812 8718 10171 13077 17436 20342 26154 30513 40684 52308 61026 91539 122052 183078 366156 969097 1938194 2907291 3876388 5814582 6783679 8721873 11629164 13567358 17443746 20351037 27134716 34887492 40702074 61053111 81404148 122106222 244212444 1408097941 2816195882 4224293823 5632391764 8448587646 9856685587 12672881469 16897175292 19713371174 25345762938 29570056761 39426742348 50691525876 59140113522 88710170283 118280227044 177420340566 354840681132