Base | Representation |
---|---|
bin | 1011111011110100100010… |
… | …1101101011011110111100 |
3 | 1201110111001210020200011012 |
4 | 2332331020231223132330 |
5 | 3204444030311222140 |
6 | 43524153323014352 |
7 | 2523025641214643 |
oct | 276751055533674 |
9 | 51414053220135 |
10 | 13122345023420 |
11 | 41aa1787376a6 |
12 | 157b24696a3b8 |
13 | 74257c94cab9 |
14 | 3351a699a35a |
15 | 17b520454265 |
hex | bef48b6b7bc |
13122345023420 has 48 divisors (see below), whose sum is σ = 28974493951200. Its totient is φ = 4984859147520.
The previous prime is 13122345023351. The next prime is 13122345023443. The reversal of 13122345023420 is 2432054322131.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185413250 + ... + 185484009.
It is an arithmetic number, because the mean of its divisors is an integer number (603635290650).
Almost surely, 213122345023420 is an apocalyptic number.
13122345023420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
13122345023420 is an abundant number, since it is smaller than the sum of its proper divisors (15852148927780).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13122345023420 is a wasteful number, since it uses less digits than its factorization.
13122345023420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 370897358 (or 370897356 counting only the distinct ones).
The product of its (nonzero) digits is 34560, while the sum is 32.
Adding to 13122345023420 its reverse (2432054322131), we get a palindrome (15554399345551).
The spelling of 13122345023420 in words is "thirteen trillion, one hundred twenty-two billion, three hundred forty-five million, twenty-three thousand, four hundred twenty".
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