Base | Representation |
---|---|
bin | 11101011111111101… |
… | …001010010000000000 |
3 | 10000202110102101201010 |
4 | 131133331022100000 |
5 | 1004332201424420 |
6 | 22315013240520 |
7 | 2200632664230 |
oct | 353775122000 |
9 | 100673371633 |
10 | 31674639360 |
11 | 12484565401 |
12 | 617b933140 |
13 | 2caa302270 |
14 | 1766a0bcc0 |
15 | c55b6d4e0 |
hex | 75ff4a400 |
31674639360 has 1408 divisors, whose sum is σ = 139451203584. Its totient is φ = 5945425920.
The previous prime is 31674639349. The next prime is 31674639379. The reversal of 31674639360 is 6393647613.
It is a super-2 number, since 2×316746393602 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (48).
It is an unprimeable number.
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 127 ways as a sum of consecutive naturals, for example, 736619499 + ... + 736619541.
It is an arithmetic number, because the mean of its divisors is an integer number (99042048).
Almost surely, 231674639360 is an apocalyptic number.
31674639360 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 31674639360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69725601792).
31674639360 is an abundant number, since it is smaller than the sum of its proper divisors (107776564224).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31674639360 is a wasteful number, since it uses less digits than its factorization.
31674639360 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 139 (or 121 counting only the distinct ones).
The product of its (nonzero) digits is 1469664, while the sum is 48.
The spelling of 31674639360 in words is "thirty-one billion, six hundred seventy-four million, six hundred thirty-nine thousand, three hundred sixty".
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