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13111031302302 = 236137994518443
BaseRepresentation
bin1011111011001010011001…
…0111010000100010011110
31201102101212022111002110010
42332302212113100202132
53204302343003133202
643515042530424050
72522145402164163
oct276624627204236
951371768432403
1013111031302302
1141a53a240355a
121579009a32026
13741498a3216b
1433481218406a
1517b0ac09576c
hexbeca65d089e

13111031302302 has 32 divisors (see below), whose sum is σ = 26722254487680. Its totient is φ = 4287356529120.

The previous prime is 13111031302301. The next prime is 13111031302367. The reversal of 13111031302302 is 20320313011131.

It is a happy number.

It is a super-2 number, since 2×131110313023022 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13111031302301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47120508 + ... + 47397935.

It is an arithmetic number, because the mean of its divisors is an integer number (835070452740).

Almost surely, 213111031302302 is an apocalyptic number.

13111031302302 is an abundant number, since it is smaller than the sum of its proper divisors (13611223185378).

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

13111031302302 is a wasteful number, since it uses less digits than its factorization.

13111031302302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94518888.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 13111031302302 its reverse (20320313011131), we get a palindrome (33431344313433).

The spelling of 13111031302302 in words is "thirteen trillion, one hundred eleven billion, thirty-one million, three hundred two thousand, three hundred two".

Divisors: 1 2 3 6 61 122 183 366 379 758 1137 2274 23119 46238 69357 138714 94518443 189036886 283555329 567110658 5765625023 11531250046 17296875069 34593750138 35822489897 71644979794 107467469691 214934939382 2185171883717 4370343767434 6555515651151 13111031302302