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38009227968 = 26353178839
BaseRepresentation
bin100011011001100001…
…101100101011000000
310122002221001211200000
4203121201230223000
51110320330243333
625243341400000
72513622051465
oct433141545300
9118087054600
1038009227968
11151352445a8
127449269000
1337797b954a
141ba803566c
15ec6d48713
hex8d986cac0

38009227968 has 168 divisors, whose sum is σ = 116627696640. Its totient is φ = 12260885760.

The previous prime is 38009227961. The next prime is 38009227979. The reversal of 38009227968 is 86972290083.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (38009227961) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 442693 + ... + 521531.

It is an arithmetic number, because the mean of its divisors is an integer number (694212480).

Almost surely, 238009227968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38009227968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58313848320).

38009227968 is an abundant number, since it is smaller than the sum of its proper divisors (78618468672).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38009227968 is an equidigital number, since it uses as much as digits as its factorization.

38009227968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78897 (or 78875 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 54.

The spelling of 38009227968 in words is "thirty-eight billion, nine million, two hundred twenty-seven thousand, nine hundred sixty-eight".