Base | Representation |
---|---|
bin | 1110001001001100101001… |
… | …01010010101000010101110 |
3 | 11002010100121102001111010200 |
4 | 13010212110222111002232 |
5 | 13034040104143031132 |
6 | 150052120131014330 |
7 | 6360033166432515 |
oct | 704462452250256 |
9 | 132110542044120 |
10 | 31102352314542 |
11 | 9a01485054853 |
12 | 35a3a16a3a3a6 |
13 | 1447c29678402 |
14 | 79750d01d67c |
15 | 38e09c031d7c |
hex | 1c4994a950ae |
31102352314542 has 48 divisors (see below), whose sum is σ = 70129607315040. Its totient is φ = 9950012606016.
The previous prime is 31102352314541. The next prime is 31102352314597. The reversal of 31102352314542 is 24541325320113.
31102352314542 is a `hidden beast` number, since 3 + 1 + 10 + 23 + 52 + 31 + 4 + 542 = 666.
It is a super-2 number, since 2×311023523145422 (a number of 28 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 31102352314497 and 31102352314506.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31102352314541) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 178305193 + ... + 178479540.
It is an arithmetic number, because the mean of its divisors is an integer number (1461033485730).
Almost surely, 231102352314542 is an apocalyptic number.
31102352314542 is an abundant number, since it is smaller than the sum of its proper divisors (39027255000498).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31102352314542 is a wasteful number, since it uses less digits than its factorization.
31102352314542 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 356784937 (or 356784934 counting only the distinct ones).
The product of its (nonzero) digits is 86400, while the sum is 36.
Adding to 31102352314542 its reverse (24541325320113), we get a palindrome (55643677634655).
The spelling of 31102352314542 in words is "thirty-one trillion, one hundred two billion, three hundred fifty-two million, three hundred fourteen thousand, five hundred forty-two".
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