| Base | Representation |
|---|---|
| bin | 101101001100110000100100… |
| … | …1010111001001000000000000 |
| 3 | 1221010201001200220212120120000 |
| 4 | 1122121201021113021000000 |
| 5 | 404102403224421142242 |
| 6 | 3525324411511320000 |
| 7 | 146513021416020000 |
| oct | 13231411127110000 |
| 9 | 1833631626776500 |
| 10 | 397577763459072 |
| 11 | 105753867707169 |
| 12 | 38711298680000 |
| 13 | 140ac564816b31 |
| 14 | 7026c1b680000 |
| 15 | 30e6d9b4a2a4c |
| hex | 16998495c9000 |
397577763459072 has 1300 divisors, whose sum is σ = 1390593864850476. Its totient is φ = 113180100526080.
The previous prime is 397577763459067. The next prime is 397577763459089. The reversal of 397577763459072 is 270954367775793.
397577763459072 is a `hidden beast` number, since 3 + 9 + 7 + 57 + 7 + 76 + 345 + 90 + 72 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 137855401721856 + 259722361737216 = 11741184^2 + 16115904^2 .
It is a Harshad number since it is a multiple of its sum of digits (81).
It is a junction number, because it is equal to n+sod(n) for n = 397577763458982 and 397577763459000.
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 99 ways as a sum of consecutive naturals, for example, 268452236572 + ... + 268452238052.
Almost surely, 2397577763459072 is an apocalyptic number.
397577763459072 is a gapful number since it is divisible by the number (32) 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 397577763459072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (695296932425238).
397577763459072 is an abundant number, since it is smaller than the sum of its proper divisors (993016101391404).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
397577763459072 is an frugal number, since it uses more digits than its factorization.
397577763459072 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1882 (or 1830 counting only the distinct ones).
The product of its (nonzero) digits is 14702763600, while the sum is 81.
The spelling of 397577763459072 in words is "three hundred ninety-seven trillion, five hundred seventy-seven billion, seven hundred sixty-three million, four hundred fifty-nine thousand, seventy-two".
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