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13213111220303 = 283307544327941
BaseRepresentation
bin1100000001000110101011…
…0011001111100001001111
31201210011100102212012210212
43000101222303033201033
53212440422433022203
644034004113353035
72532421133156441
oct300215263174117
951704312765725
1013213111220303
114234715900855
12159495826877b
1374acb641abc7
14339737544491
1517da83bcc1d8
hexc046accf84f

13213111220303 has 16 divisors (see below), whose sum is σ = 13305912445056. Its totient is φ = 13120653728160.

The previous prime is 13213111220299. The next prime is 13213111220329. The reversal of 13213111220303 is 30302211131231.

It is a cyclic number.

It is not a de Polignac number, because 13213111220303 - 22 = 13213111220299 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13213111226303) 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, 472879313 + ... + 472907253.

It is an arithmetic number, because the mean of its divisors is an integer number (831619527816).

Almost surely, 213213111220303 is an apocalyptic number.

13213111220303 is a deficient number, since it is larger than the sum of its proper divisors (92801224753).

13213111220303 is a wasteful number, since it uses less digits than its factorization.

13213111220303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33974.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 13213111220303 its reverse (30302211131231), we get a palindrome (43515322351534).

The spelling of 13213111220303 in words is "thirteen trillion, two hundred thirteen billion, one hundred eleven million, two hundred twenty thousand, three hundred three".

Divisors: 1 283 307 5443 27941 86881 1540369 1671001 7907303 8577887 152082863 472893283 2427542021 43039450229 46689438941 13213111220303