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1213245114613 = 7679137283121
BaseRepresentation
bin10001101001111011000…
…010110100100011110101
311021222121010201122110221
4101221323002310203311
5124334211222131423
62325205045214341
7153440226214360
oct21517302644365
94258533648427
101213245114613
11428597268804
121771754013b1
138a5406ab52c
1442a1565b0d7
152185c908e5d
hex11a7b0b48f5

1213245114613 has 16 divisors (see below), whose sum is σ = 1407419846784. Its totient is φ = 1024287390720.

The previous prime is 1213245114607. The next prime is 1213245114617. The reversal of 1213245114613 is 3164115423121.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1213245114613 is a prime.

It is a super-3 number, since 3×12132451146133 (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213245114617) 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, 4143693 + ... + 4426813.

It is an arithmetic number, because the mean of its divisors is an integer number (87963740424).

Almost surely, 21213245114613 is an apocalyptic number.

It is an amenable number.

1213245114613 is a deficient number, since it is larger than the sum of its proper divisors (194174732171).

1213245114613 is an equidigital number, since it uses as much as digits as its factorization.

1213245114613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292332.

The product of its digits is 17280, while the sum is 34.

The spelling of 1213245114613 in words is "one trillion, two hundred thirteen billion, two hundred forty-five million, one hundred fourteen thousand, six hundred thirteen".

Divisors: 1 7 67 469 9137 63959 283121 612179 1981847 4285253 18969107 132783749 2586876577 18108136039 173320730659 1213245114613