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384139930146 = 23755311653623
BaseRepresentation
bin1011001011100001000…
…01100010101000100010
31100201112101001100021020
411211300201202220202
522243204310231041
6452245455510310
736516226350210
oct5456041425042
91321471040236
10384139930146
11138a04a81155
1262547828396
132a2bb86971b
1414841a57cb0
159ed4343866
hex5970862a22

384139930146 has 32 divisors (see below), whose sum is σ = 878193404928. Its totient is φ = 109734355920.

The previous prime is 384139930133. The next prime is 384139930147. The reversal of 384139930146 is 641039931483.

It is not an unprimeable number, because it can be changed into a prime (384139930147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 594510 + ... + 1059113.

It is an arithmetic number, because the mean of its divisors is an integer number (27443543904).

Almost surely, 2384139930146 is an apocalyptic number.

384139930146 is an abundant number, since it is smaller than the sum of its proper divisors (494053474782).

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

384139930146 is a wasteful number, since it uses less digits than its factorization.

384139930146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1659166.

The product of its (nonzero) digits is 1679616, while the sum is 51.

The spelling of 384139930146 in words is "three hundred eighty-four billion, one hundred thirty-nine million, nine hundred thirty thousand, one hundred forty-six".

Divisors: 1 2 3 6 7 14 21 42 5531 11062 16593 33186 38717 77434 116151 232302 1653623 3307246 4960869 9921738 11575361 23150722 34726083 69452166 9146188813 18292377626 27438566439 54877132878 64023321691 128046643382 192069965073 384139930146