Base | Representation |
---|---|
bin | 111001000111100101… |
… | …0110000001010011101 |
3 | 102201121110101200211201 |
4 | 1302033022300022131 |
5 | 4002202211414033 |
6 | 132203311515501 |
7 | 11601440451532 |
oct | 1621712601235 |
9 | 381543350751 |
10 | 122661044893 |
11 | 48024a64582 |
12 | 1b932b28b91 |
13 | b74a5b1a4a |
14 | 5d18918d89 |
15 | 32cd8e347d |
hex | 1c8f2b029d |
122661044893 has 8 divisors (see below), whose sum is σ = 123859107008. Its totient is φ = 121463121024.
The previous prime is 122661044867. The next prime is 122661044917. The reversal of 122661044893 is 398440166221.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-122661044893 is a prime.
It is a super-2 number, since 2×1226610448932 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122661744893) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3512746 + ... + 3547492.
It is an arithmetic number, because the mean of its divisors is an integer number (15482388376).
Almost surely, 2122661044893 is an apocalyptic number.
It is an amenable number.
122661044893 is a deficient number, since it is larger than the sum of its proper divisors (1198062115).
122661044893 is a wasteful number, since it uses less digits than its factorization.
122661044893 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 69123.
The product of its (nonzero) digits is 497664, while the sum is 46.
The spelling of 122661044893 in words is "one hundred twenty-two billion, six hundred sixty-one million, forty-four thousand, eight hundred ninety-three".
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