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1311412552122 = 234740964317683
BaseRepresentation
bin10011000101010110010…
…001111000000110111010
311122100222121002011120210
4103011112101320012322
5132441233103131442
62442242110131550
7163514011525161
oct23052621700672
94570877064523
101311412552122
11466192219552
121921b14b0bb6
139688663976a
144768916a3d8
15241a5d0719c
hex131564781ba

1311412552122 has 64 divisors (see below), whose sum is σ = 2689507215360. Its totient is φ = 426102816384.

The previous prime is 1311412552097. The next prime is 1311412552133. The reversal of 1311412552122 is 2212552141131.

It is a self number, because there is not a number n which added to its sum of digits gives 1311412552122.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 74153493 + ... + 74171175.

It is an arithmetic number, because the mean of its divisors is an integer number (42023550240).

Almost surely, 21311412552122 is an apocalyptic number.

1311412552122 is an abundant number, since it is smaller than the sum of its proper divisors (1378094663238).

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

1311412552122 is a wasteful number, since it uses less digits than its factorization.

1311412552122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18787.

The product of its digits is 4800, while the sum is 30.

Adding to 1311412552122 its reverse (2212552141131), we get a palindrome (3523964693253).

The spelling of 1311412552122 in words is "one trillion, three hundred eleven billion, four hundred twelve million, five hundred fifty-two thousand, one hundred twenty-two".

Divisors: 1 2 3 6 47 94 141 282 409 643 818 1227 1286 1929 2454 3858 17683 19223 30221 35366 38446 53049 57669 60442 90663 106098 115338 181326 262987 525974 788961 831101 1577922 1662202 2493303 4986606 7232347 11370169 12360389 14464694 21697041 22740338 24720778 34110507 37081167 43394082 68221014 74162334 339920309 534397943 679840618 1019760927 1068795886 1603193829 2039521854 3206387658 4650399121 9300798242 13951197363 27902394726 218568758687 437137517374 655706276061 1311412552122