Base | Representation |
---|---|
bin | 111001010000111011… |
… | …0011000100110001101 |
3 | 102202102022011110210220 |
4 | 1302201312120212031 |
5 | 4003322431110324 |
6 | 132254345421553 |
7 | 11612264525103 |
oct | 1624166304615 |
9 | 382368143726 |
10 | 122974472589 |
11 | 4817597a431 |
12 | 1b9bba9a8b9 |
13 | b79a501617 |
14 | 5d483c5c73 |
15 | 32eb1a5b79 |
hex | 1ca1d9898d |
122974472589 has 4 divisors (see below), whose sum is σ = 163965963456. Its totient is φ = 81982981724.
The previous prime is 122974472581. The next prime is 122974472617. The reversal of 122974472589 is 985274479221.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 122974472589 - 23 = 122974472581 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122974472581) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20495745429 + ... + 20495745434.
It is an arithmetic number, because the mean of its divisors is an integer number (40991490864).
Almost surely, 2122974472589 is an apocalyptic number.
It is an amenable number.
122974472589 is a deficient number, since it is larger than the sum of its proper divisors (40991490867).
122974472589 is an equidigital number, since it uses as much as digits as its factorization.
122974472589 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40991490866.
The product of its digits is 20321280, while the sum is 60.
The spelling of 122974472589 in words is "one hundred twenty-two billion, nine hundred seventy-four million, four hundred seventy-two thousand, five hundred eighty-nine".
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