Base | Representation |
---|---|
bin | 11101001110000001… |
… | …001110010001101110 |
3 | 2222222111011211110111 |
4 | 131032001032101232 |
5 | 1003223132331132 |
6 | 22225103330234 |
7 | 2160320113342 |
oct | 351601162156 |
9 | 88874154414 |
10 | 31373714542 |
11 | 1233a70a105 |
12 | 60b6bb097a |
13 | 2c5cb6c541 |
14 | 1738a77622 |
15 | c3952a647 |
hex | 74e04e46e |
31373714542 has 8 divisors (see below), whose sum is σ = 47065354632. Its totient is φ = 15685263000.
The previous prime is 31373714539. The next prime is 31373714549. The reversal of 31373714542 is 24541737313.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 31373714495 and 31373714504.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31373714549) 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 3 ways as a sum of consecutive naturals, for example, 772384 + ... + 811987.
It is an arithmetic number, because the mean of its divisors is an integer number (5883169329).
Almost surely, 231373714542 is an apocalyptic number.
31373714542 is a deficient number, since it is larger than the sum of its proper divisors (15691640090).
31373714542 is a wasteful number, since it uses less digits than its factorization.
31373714542 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1594274.
The product of its digits is 211680, while the sum is 40.
The spelling of 31373714542 in words is "thirty-one billion, three hundred seventy-three million, seven hundred fourteen thousand, five hundred forty-two".
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