Base | Representation |
---|---|
bin | 101001010010111… |
… | …0001010100101110 |
3 | 10120120022110020100 |
4 | 1102211301110232 |
5 | 10314210224240 |
6 | 345254531530 |
7 | 46223454363 |
oct | 12245612456 |
9 | 3516273210 |
10 | 1385633070 |
11 | 6511766a8 |
12 | 328066ba6 |
13 | 1910bb333 |
14 | d205246a |
15 | 819a7e30 |
hex | 5297152e |
1385633070 has 96 divisors (see below), whose sum is σ = 3665787840. Its totient is φ = 363087360.
The previous prime is 1385633057. The next prime is 1385633087. The reversal of 1385633070 is 703365831.
1385633070 is a `hidden beast` number, since 13 + 8 + 5 + 633 + 0 + 7 + 0 = 666.
It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1343455 + ... + 1344485.
It is an arithmetic number, because the mean of its divisors is an integer number (38185290).
Almost surely, 21385633070 is an apocalyptic number.
1385633070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 1385633070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1832893920).
1385633070 is an abundant number, since it is smaller than the sum of its proper divisors (2280154770).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1385633070 is a wasteful number, since it uses less digits than its factorization.
1385633070 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1290 (or 1287 counting only the distinct ones).
The product of its (nonzero) digits is 45360, while the sum is 36.
The square root of 1385633070 is about 37224.0926014322. The cubic root of 1385633070 is about 1114.8490803663.
The spelling of 1385633070 in words is "one billion, three hundred eighty-five million, six hundred thirty-three thousand, seventy".
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