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389926120320 = 273651126907
BaseRepresentation
bin1011010110010010110…
…10000110101110000000
31101021110121210021000000
411223021122012232000
522342032041322240
6455043554000000
740112506223262
oct5531132065600
91337417707000
10389926120320
11140404147500
12636a1576000
132aa015544a9
1414c302cbb32
15a2222e5430
hex5ac9686b80

389926120320 has 672 divisors, whose sum is σ = 1536439849560. Its totient is φ = 94513858560.

The previous prime is 389926120313. The next prime is 389926120327. The reversal of 389926120320 is 23021629983.

It is a happy number.

389926120320 is a `hidden beast` number, since 3 + 8 + 9 + 9 + 2 + 612 + 0 + 3 + 20 = 666.

It is an interprime number because it is at equal distance from previous prime (389926120313) and next prime (389926120327).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389926120327) by changing a digit.

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 83 ways as a sum of consecutive naturals, for example, 56450307 + ... + 56457213.

Almost surely, 2389926120320 is an apocalyptic number.

389926120320 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 389926120320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (768219924780).

389926120320 is an abundant number, since it is smaller than the sum of its proper divisors (1146513729240).

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

389926120320 is an equidigital number, since it uses as much as digits as its factorization.

389926120320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6966 (or 6928 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The spelling of 389926120320 in words is "three hundred eighty-nine billion, nine hundred twenty-six million, one hundred twenty thousand, three hundred twenty".