Base | Representation |
---|---|
bin | 10001100110110001111101… |
… | …10011000100010111001110 |
3 | 12002002012110212010020202110 |
4 | 20303120332303010113032 |
5 | 20033310120011441000 |
6 | 214201500032204450 |
7 | 11104062546552066 |
oct | 1063307663042716 |
9 | 162065425106673 |
10 | 38715888780750 |
11 | 11377352994045 |
12 | 4413494999726 |
13 | 187ab7b1b524c |
14 | 97bc051d03a6 |
15 | 472150b6d850 |
hex | 23363ecc45ce |
38715888780750 has 64 divisors (see below), whose sum is σ = 96759872599104. Its totient is φ = 10310880790400.
The previous prime is 38715888780731. The next prime is 38715888780757. The reversal of 38715888780750 is 5708788851783.
It is a Smith number, since the sum of its digits (75) coincides with the sum of the digits of its prime factors.
It is a Harshad number since it is a multiple of its sum of digits (75).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38715888780757) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32810409 + ... + 33969908.
It is an arithmetic number, because the mean of its divisors is an integer number (1511873009361).
Almost surely, 238715888780750 is an apocalyptic number.
38715888780750 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
38715888780750 is an abundant number, since it is smaller than the sum of its proper divisors (58043983818354).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38715888780750 is a wasteful number, since it uses less digits than its factorization.
38715888780750 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 66781110 (or 66781100 counting only the distinct ones).
The product of its (nonzero) digits is 842956800, while the sum is 75.
The spelling of 38715888780750 in words is "thirty-eight trillion, seven hundred fifteen billion, eight hundred eighty-eight million, seven hundred eighty thousand, seven hundred fifty".
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