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1213442201335 = 57137933758303
BaseRepresentation
bin10001101010000110110…
…010101001011011110111
311022000002212120200122011
4101222012302221123313
5124340112200420320
62325240405345051
7153445141346260
oct21520662513367
94260085520564
101213442201335
114286885409a1
1217720b408187
138a5724857b0
1442a338c1967
152186ed8a05a
hex11a86ca96f7

1213442201335 has 32 divisors (see below), whose sum is σ = 1814846423040. Its totient is φ = 758346496128.

The previous prime is 1213442201333. The next prime is 1213442201353. The reversal of 1213442201335 is 5331022443121.

It is not a de Polignac number, because 1213442201335 - 21 = 1213442201333 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1213442201297 and 1213442201306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213442201333) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16843207 + ... + 16915096.

It is an arithmetic number, because the mean of its divisors is an integer number (56713950720).

Almost surely, 21213442201335 is an apocalyptic number.

1213442201335 is a deficient number, since it is larger than the sum of its proper divisors (601404221705).

1213442201335 is a wasteful number, since it uses less digits than its factorization.

1213442201335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33758407.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 1213442201335 its reverse (5331022443121), we get a palindrome (6544464644456).

The spelling of 1213442201335 in words is "one trillion, two hundred thirteen billion, four hundred forty-two million, two hundred one thousand, three hundred thirty-five".

Divisors: 1 5 7 13 35 65 79 91 395 455 553 1027 2765 5135 7189 35945 33758303 168791515 236308121 438857939 1181540605 2194289695 2666905937 3072005573 13334529685 15360027865 18668341559 34669777181 93341707795 173348885905 242688440267 1213442201335