Base | Representation |
---|---|
bin | 11100111001010001… |
… | …111001100011001000 |
3 | 2222002020110010210211 |
4 | 130321101321203020 |
5 | 1002020043431202 |
6 | 22130353450504 |
7 | 2145563435026 |
oct | 347121714310 |
9 | 88066403724 |
10 | 31025764552 |
11 | 12181265132 |
12 | 601a570a34 |
13 | 2c05a53483 |
14 | 1704781716 |
15 | c18be91d7 |
hex | 7394798c8 |
31025764552 has 48 divisors (see below), whose sum is σ = 59560420500. Its totient is φ = 15151209216.
The previous prime is 31025764543. The next prime is 31025764559. The reversal of 31025764552 is 25546752013.
It can be written as a sum of positive squares in 6 ways, for example, as 30992194116 + 33570436 = 176046^2 + 5794^2 .
It is a super-2 number, since 2×310257645522 (a number of 22 digits) contains 22 as substring.
It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.
It is not an unprimeable number, because it can be changed into a prime (31025764559) 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 11 ways as a sum of consecutive naturals, for example, 5143074 + ... + 5149102.
Almost surely, 231025764552 is an apocalyptic number.
It is an amenable number.
31025764552 is a deficient number, since it is larger than the sum of its proper divisors (28534655948).
31025764552 is a wasteful number, since it uses less digits than its factorization.
31025764552 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6370 (or 6313 counting only the distinct ones).
The product of its (nonzero) digits is 252000, while the sum is 40.
The spelling of 31025764552 in words is "thirty-one billion, twenty-five million, seven hundred sixty-four thousand, five hundred fifty-two".
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