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11207161212642 = 2321036199765517
BaseRepresentation
bin1010001100010101111011…
…0111001110111011100010
31110200101122100000122202200
42203011132313032323202
52432104231232301032
635500255423154030
72234455621346313
oct243053667167342
943611570018680
1011207161212642
113630a2637516a
121310033745916
13633aa5272855
142aa60277a60a
151467cd68e47c
hexa315edceee2

11207161212642 has 48 divisors (see below), whose sum is σ = 24557543424960. Its totient is φ = 3693474399456.

The previous prime is 11207161212613. The next prime is 11207161212647. The reversal of 11207161212642 is 24621216170211.

11207161212642 is a `hidden beast` number, since 1 + 1 + 2 + 0 + 7 + 1 + 6 + 1 + 2 + 1 + 2 + 642 = 666.

It is a super-2 number, since 2×112071612126422 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11207161212597 and 11207161212606.

It is not an unprimeable number, because it can be changed into a prime (11207161212647) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3735133 + ... + 6030384.

It is an arithmetic number, because the mean of its divisors is an integer number (511615488020).

Almost surely, 211207161212642 is an apocalyptic number.

11207161212642 is an abundant number, since it is smaller than the sum of its proper divisors (13350382212318).

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

11207161212642 is a wasteful number, since it uses less digits than its factorization.

11207161212642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9766247 (or 9766244 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

Adding to 11207161212642 its reverse (24621216170211), we get a palindrome (35828377382853).

The spelling of 11207161212642 in words is "eleven trillion, two hundred seven billion, one hundred sixty-one million, two hundred twelve thousand, six hundred forty-two".

Divisors: 1 2 3 6 9 18 103 206 309 618 619 927 1238 1854 1857 3714 5571 11142 63757 127514 191271 382542 573813 1147626 9765517 19531034 29296551 58593102 87889653 175779306 1005848251 2011696502 3017544753 6035089506 6044855023 9052634259 12089710046 18105268518 18134565069 36269130138 54403695207 108807390414 622620067369 1245240134738 1867860202107 3735720404214 5603580606321 11207161212642