Base | Representation |
---|---|
bin | 11100111000000000… |
… | …101010000000000000 |
3 | 2222000202101010100000 |
4 | 130320000222000000 |
5 | 1001444120422300 |
6 | 22124313200000 |
7 | 2145214423440 |
oct | 347000520000 |
9 | 88022333300 |
10 | 31004467200 |
11 | 12170239113 |
12 | 6013400000 |
13 | 2c015076a5 |
14 | 17019da120 |
15 | c16dddc00 |
hex | 73802a000 |
31004467200 has 1008 divisors, whose sum is σ = 133103355840. Its totient is φ = 7007109120.
The previous prime is 31004467189. The next prime is 31004467229. The reversal of 31004467200 is 276440013.
31004467200 is a `hidden beast` number, since 3 + 10 + 0 + 446 + 7 + 200 = 666.
It is a tau number, because it is divible by the number of its divisors (1008).
It is a super-2 number, since 2×310044672002 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is an unprimeable number.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 348364756 + ... + 348364844.
It is an arithmetic number, because the mean of its divisors is an integer number (132046980).
Almost surely, 231004467200 is an apocalyptic number.
31004467200 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 31004467200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66551677920).
31004467200 is an abundant number, since it is smaller than the sum of its proper divisors (102098888640).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31004467200 is an frugal number, since it uses more digits than its factorization.
31004467200 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 147 (or 106 counting only the distinct ones).
The product of its (nonzero) digits is 4032, while the sum is 27.
The spelling of 31004467200 in words is "thirty-one billion, four million, four hundred sixty-seven thousand, two hundred".
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