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381584480730 = 23512719482691
BaseRepresentation
bin1011000110110000011…
…01010001100111011010
31100110221021112001200120
411203120031101213122
522222441111340410
6451144131414110
736366006366315
oct5433015214732
91313837461616
10381584480730
11137913545192
1261b53a54336
1329ca22c468b
141467c4d197c
159dd4d13570
hex58d83519da

381584480730 has 16 divisors (see below), whose sum is σ = 915802753824. Its totient is φ = 101755861520.

The previous prime is 381584480671. The next prime is 381584480743. The reversal of 381584480730 is 37084485183.

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 7 ways as a sum of consecutive naturals, for example, 6359741316 + ... + 6359741375.

It is an arithmetic number, because the mean of its divisors is an integer number (57237672114).

Almost surely, 2381584480730 is an apocalyptic number.

381584480730 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

381584480730 is an abundant number, since it is smaller than the sum of its proper divisors (534218273094).

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

381584480730 is a wasteful number, since it uses less digits than its factorization.

381584480730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12719482701.

The product of its (nonzero) digits is 2580480, while the sum is 51.

The spelling of 381584480730 in words is "three hundred eighty-one billion, five hundred eighty-four million, four hundred eighty thousand, seven hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 12719482691 25438965382 38158448073 63597413455 76316896146 127194826910 190792240365 381584480730