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31384206000 = 2433537229409
BaseRepresentation
bin11101001110101001…
…001111101010110000
310000000012220212001000
4131032221033222300
51003233324043000
622230120242000
72160505230600
oct351651175260
9100005825030
1031384206000
1112345625534
1260ba610300
132c620a39c4
14173a208c00
15c3a3ee000
hex74ea4fab0

31384206000 has 960 divisors, whose sum is σ = 135620784000. Its totient is φ = 6909235200.

The previous prime is 31384205989. The next prime is 31384206011. The reversal of 31384206000 is 60248313.

It is a happy number.

31384206000 is a `hidden beast` number, since 3 + 1 + 38 + 4 + 20 + 600 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (31384205989) and next prime (31384206011).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 76733796 + ... + 76734204.

It is an arithmetic number, because the mean of its divisors is an integer number (141271650).

Almost surely, 231384206000 is an apocalyptic number.

31384206000 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 31384206000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67810392000).

31384206000 is an abundant number, since it is smaller than the sum of its proper divisors (104236578000).

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

31384206000 is a wasteful number, since it uses less digits than its factorization.

31384206000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484 (or 455 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The spelling of 31384206000 in words is "thirty-one billion, three hundred eighty-four million, two hundred six thousand".