Base | Representation |
---|---|
bin | 100011100111000110… |
… | …101000011100010100 |
3 | 10122200210200120001120 |
4 | 203213012220130110 |
5 | 1111302133420110 |
6 | 25322115523540 |
7 | 2522356153200 |
oct | 434706503424 |
9 | 118623616046 |
10 | 38237013780 |
11 | 15241885439 |
12 | 74b15b95b0 |
13 | 37b4a51a54 |
14 | 1bca3abb00 |
15 | edbd40870 |
hex | 8e71a8714 |
38237013780 has 144 divisors (see below), whose sum is σ = 129958577280. Its totient is φ = 8359878912.
The previous prime is 38237013769. The next prime is 38237013817. The reversal of 38237013780 is 8731073283.
It is a Harshad number since it is a multiple of its sum of digits (42).
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, 215115 + ... + 350354.
It is an arithmetic number, because the mean of its divisors is an integer number (902490120).
Almost surely, 238237013780 is an apocalyptic number.
38237013780 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
38237013780 is an abundant number, since it is smaller than the sum of its proper divisors (91721563500).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38237013780 is a wasteful number, since it uses less digits than its factorization.
38237013780 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 565518 (or 565509 counting only the distinct ones).
The product of its (nonzero) digits is 169344, while the sum is 42.
The spelling of 38237013780 in words is "thirty-eight billion, two hundred thirty-seven million, thirteen thousand, seven hundred eighty".
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