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38849388312 = 233717194611553
BaseRepresentation
bin100100001011100110…
…101001111100011000
310201021110222101222210
4210023212221330120
51114030420411222
625502553115120
72543503231530
oct441346517430
9121243871883
1038849388312
1115526515499
1276426b8aa0
133881890c47
141c478564c0
1510259a4d0c
hex90b9a9f18

38849388312 has 256 divisors, whose sum is σ = 124061414400. Its totient is φ = 9869230080.

The previous prime is 38849388301. The next prime is 38849388323. The reversal of 38849388312 is 21388394883.

It is an interprime number because it is at equal distance from previous prime (38849388301) and next prime (38849388323).

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 25014928 + ... + 25016480.

It is an arithmetic number, because the mean of its divisors is an integer number (484614900).

Almost surely, 238849388312 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 38849388312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62030707200).

38849388312 is an abundant number, since it is smaller than the sum of its proper divisors (85212026088).

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

38849388312 is a wasteful number, since it uses less digits than its factorization.

38849388312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2066 (or 2062 counting only the distinct ones).

The product of its digits is 7962624, while the sum is 57.

The spelling of 38849388312 in words is "thirty-eight billion, eight hundred forty-nine million, three hundred eighty-eight thousand, three hundred twelve".