Base | Representation |
---|---|
bin | 111001001010001100… |
… | …1000010101101001110 |
3 | 102201211120021212102011 |
4 | 1302110121002231032 |
5 | 4002342130130232 |
6 | 132220122051434 |
7 | 11603553352543 |
oct | 1622431025516 |
9 | 381746255364 |
10 | 122748676942 |
11 | 4806a478861 |
12 | 1b958349b7a |
13 | b7627b4c28 |
14 | 5d2640abca |
15 | 32d6453547 |
hex | 1c94642b4e |
122748676942 has 32 divisors (see below), whose sum is σ = 194958355680. Its totient is φ = 57863057280.
The previous prime is 122748676903. The next prime is 122748676943. The reversal of 122748676942 is 249676847221.
It is a super-2 number, since 2×1227486769422 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (58).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122748676943) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14313768 + ... + 14322340.
It is an arithmetic number, because the mean of its divisors is an integer number (6092448615).
Almost surely, 2122748676942 is an apocalyptic number.
122748676942 is a deficient number, since it is larger than the sum of its proper divisors (72209678738).
122748676942 is a wasteful number, since it uses less digits than its factorization.
122748676942 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14388.
The product of its digits is 16257024, while the sum is 58.
The spelling of 122748676942 in words is "one hundred twenty-two billion, seven hundred forty-eight million, six hundred seventy-six thousand, nine hundred forty-two".
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