Base | Representation |
---|---|
bin | 11101001110000010… |
… | …100001111010101111 |
3 | 2222222111211020102010 |
4 | 131032002201322233 |
5 | 1003223224312020 |
6 | 22225114532303 |
7 | 2160323041221 |
oct | 351602417257 |
9 | 88874736363 |
10 | 31374057135 |
11 | 1233a923543 |
12 | 60b7137093 |
13 | 2c5cc5c465 |
14 | 1738b26411 |
15 | c39596de0 |
hex | 74e0a1eaf |
31374057135 has 16 divisors (see below), whose sum is σ = 52840517760. Its totient is φ = 15852155040.
The previous prime is 31374057119. The next prime is 31374057137. The reversal of 31374057135 is 53175047313.
It is a happy number.
It is not a de Polignac number, because 31374057135 - 24 = 31374057119 is a prime.
It is a super-2 number, since 2×313740571352 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 31374057093 and 31374057102.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31374057137) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55041921 + ... + 55042490.
It is an arithmetic number, because the mean of its divisors is an integer number (3302532360).
Almost surely, 231374057135 is an apocalyptic number.
31374057135 is a deficient number, since it is larger than the sum of its proper divisors (21466460625).
31374057135 is a wasteful number, since it uses less digits than its factorization.
31374057135 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 110084438.
The product of its (nonzero) digits is 132300, while the sum is 39.
The spelling of 31374057135 in words is "thirty-one billion, three hundred seventy-four million, fifty-seven thousand, one hundred thirty-five".
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