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13111220132230 = 2511379314493167
BaseRepresentation
bin1011111011001011000110…
…0111100101100110000110
31201102102100110210122102011
42332302301213211212012
53204303234323212410
643515113354004434
72522153154206563
oct276626147454606
951372313718364
1013111220132230
1141a5489a57250
12157906111671a
137414c8ba814c
1433482d29986a
1517b0bd94518a
hexbecb19e5986

13111220132230 has 32 divisors (see below), whose sum is σ = 25813599229440. Its totient is φ = 4755136669920.

The previous prime is 13111220132191. The next prime is 13111220132233. The reversal of 13111220132230 is 3223102211131.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13111220132233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157204894 + ... + 157288273.

It is an arithmetic number, because the mean of its divisors is an integer number (806674975920).

Almost surely, 213111220132230 is an apocalyptic number.

13111220132230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13111220132230 is a deficient number, since it is larger than the sum of its proper divisors (12702379097210).

13111220132230 is a wasteful number, since it uses less digits than its factorization.

13111220132230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314493564.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 13111220132230 its reverse (3223102211131), we get a palindrome (16334322343361).

The spelling of 13111220132230 in words is "thirteen trillion, one hundred eleven billion, two hundred twenty million, one hundred thirty-two thousand, two hundred thirty".

Divisors: 1 2 5 10 11 22 55 110 379 758 1895 3790 4169 8338 20845 41690 314493167 628986334 1572465835 3144931670 3459424837 6918849674 17297124185 34594248370 119192910293 238385820586 595964551465 1191929102930 1311122013223 2622244026446 6555610066115 13111220132230