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55015355122 = 27131531197441
BaseRepresentation
bin110011001111001010…
…111011001011110010
312021000010002121110021
4303033022323023302
51400132412330442
641135041554054
73655221542230
oct631712731362
9167003077407
1055015355122
1121371808642
12a7b464592a
135259b46790
14293c86b950
15166ed30e67
hexccf2bb2f2

55015355122 has 32 divisors (see below), whose sum is σ = 101633664384. Its totient is φ = 21749990400.

The previous prime is 55015355117. The next prime is 55015355189. The reversal of 55015355122 is 22155351055.

It is a super-3 number, since 3×550153551223 (a number of 33 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 179922 + ... + 377362.

It is an arithmetic number, because the mean of its divisors is an integer number (3176052012).

Almost surely, 255015355122 is an apocalyptic number.

55015355122 is a deficient number, since it is larger than the sum of its proper divisors (46618309262).

55015355122 is a wasteful number, since it uses less digits than its factorization.

55015355122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198994.

The product of its (nonzero) digits is 37500, while the sum is 34.

The spelling of 55015355122 in words is "fifty-five billion, fifteen million, three hundred fifty-five thousand, one hundred twenty-two".

Divisors: 1 2 7 13 14 26 91 182 1531 3062 10717 19903 21434 39806 139321 197441 278642 394882 1382087 2566733 2764174 5133466 17967131 35934262 302282171 604564342 2115975197 3929668223 4231950394 7859336446 27507677561 55015355122