Base | Representation |
---|---|
bin | 1110010011011100110111… |
… | …10111100110101000011110 |
3 | 11010101000222101011100202000 |
4 | 13021232123313212220132 |
5 | 13110323121100200441 |
6 | 150522023243143130 |
7 | 6424344545154630 |
oct | 711563367465036 |
9 | 133330871140660 |
10 | 31454660553246 |
11 | a027934951a97 |
12 | 364015a214aa6 |
13 | 1472214514b48 |
14 | 7aa5b1266a50 |
15 | 39831ba332b6 |
hex | 1c9b9bde6a1e |
31454660553246 has 128 divisors (see below), whose sum is σ = 81461680819200. Its totient is φ = 8809942527360.
The previous prime is 31454660553233. The next prime is 31454660553259. The reversal of 31454660553246 is 64235506645413.
31454660553246 is a `hidden beast` number, since 3 + 1 + 4 + 5 + 4 + 6 + 60 + 5 + 532 + 46 = 666.
It is an interprime number because it is at equal distance from previous prime (31454660553233) and next prime (31454660553259).
It is a super-2 number, since 2×314546605532462 (a number of 28 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a junction number, because it is equal to n+sod(n) for n = 31454660553192 and 31454660553201.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 22789420 + ... + 24130208.
It is an arithmetic number, because the mean of its divisors is an integer number (636419381400).
Almost surely, 231454660553246 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 31454660553246, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40730840409600).
31454660553246 is an abundant number, since it is smaller than the sum of its proper divisors (50007020265954).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31454660553246 is a wasteful number, since it uses less digits than its factorization.
31454660553246 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1342031 (or 1342025 counting only the distinct ones).
The product of its (nonzero) digits is 31104000, while the sum is 54.
The spelling of 31454660553246 in words is "thirty-one trillion, four hundred fifty-four billion, six hundred sixty million, five hundred fifty-three thousand, two hundred forty-six".
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