Base | Representation |
---|---|
bin | 100011011001000000… |
… | …100110011100000000 |
3 | 10122002022202001001000 |
4 | 203121000212130000 |
5 | 1110311120123210 |
6 | 25242431412000 |
7 | 2513455234260 |
oct | 433100463400 |
9 | 118068661030 |
10 | 38000551680 |
11 | 15130358a13 |
12 | 7446384000 |
13 | 3777a6c350 |
14 | 1ba6c177a0 |
15 | ec61d2ac0 |
hex | 8d9026700 |
38000551680 has 1152 divisors, whose sum is σ = 170432317440. Its totient is φ = 7803371520.
The previous prime is 38000551663. The next prime is 38000551681. The reversal of 38000551680 is 8615500083.
It is a tau number, because it is divible by the number of its divisors (1152).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38000551681) by changing a digit.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 135233140 + ... + 135233420.
It is an arithmetic number, because the mean of its divisors is an integer number (147944720).
Almost surely, 238000551680 is an apocalyptic number.
38000551680 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 38000551680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85216158720).
38000551680 is an abundant number, since it is smaller than the sum of its proper divisors (132431765760).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38000551680 is a wasteful number, since it uses less digits than its factorization.
38000551680 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 374 (or 354 counting only the distinct ones).
The product of its (nonzero) digits is 28800, while the sum is 36.
The spelling of 38000551680 in words is "thirty-eight billion, five hundred fifty-one thousand, six hundred eighty".
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