Base | Representation |
---|---|
bin | 10001010011111111110001… |
… | …10101110100000000000000 |
3 | 11222210111112111211002220010 |
4 | 20221333320311310000000 |
5 | 14442221310310010030 |
6 | 212545155451544520 |
7 | 11006333510465400 |
oct | 1051777065640000 |
9 | 158714474732803 |
10 | 38070470000640 |
11 | 11148660902840 |
12 | 432a38b45b140 |
13 | 183205095b22c |
14 | 958898c28800 |
15 | 46047873e6b0 |
hex | 229ff8d74000 |
38070470000640 has 2880 divisors, whose sum is σ = 163040572735488. Its totient is φ = 7491236659200.
The previous prime is 38070470000639. The next prime is 38070470000729. The reversal of 38070470000640 is 4600007407083.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 299767480257 + ... + 299767480383.
Almost surely, 238070470000640 is an apocalyptic number.
38070470000640 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 38070470000640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81520286367744).
38070470000640 is an abundant number, since it is smaller than the sum of its proper divisors (124970102734848).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38070470000640 is a wasteful number, since it uses less digits than its factorization.
38070470000640 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 292 (or 259 counting only the distinct ones).
The product of its (nonzero) digits is 112896, while the sum is 39.
The spelling of 38070470000640 in words is "thirty-eight trillion, seventy billion, four hundred seventy million, six hundred forty", and thus it is an aban number.
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