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2381139712 = 2872189823
BaseRepresentation
bin1000110111101101…
…0100111100000000
320010221112102121201
42031323110330000
514334032432322
61032140030544
7113002232200
oct21573247400
96127472551
102381139712
111012100566
12565532454
132bc414213
14188350400
15de09cd27
hex8ded4f00

2381139712 has 54 divisors (see below), whose sum is σ = 5529003648. Its totient is φ = 1020483072.

The previous prime is 2381139617. The next prime is 2381139721. The reversal of 2381139712 is 2179311832.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 82368 + ... + 107455.

Almost surely, 22381139712 is an apocalyptic number.

It is an amenable number.

2381139712 is an abundant number, since it is smaller than the sum of its proper divisors (3147863936).

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

2381139712 is an equidigital number, since it uses as much as digits as its factorization.

2381139712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189853 (or 189832 counting only the distinct ones).

The product of its digits is 18144, while the sum is 37.

The square root of 2381139712 is about 48796.9231816925. The cubic root of 2381139712 is about 1335.3495345516.

The spelling of 2381139712 in words is "two billion, three hundred eighty-one million, one hundred thirty-nine thousand, seven hundred twelve".

Divisors: 1 2 4 7 8 14 16 28 32 49 56 64 98 112 128 196 224 256 392 448 784 896 1568 1792 3136 6272 12544 189823 379646 759292 1328761 1518584 2657522 3037168 5315044 6074336 9301327 10630088 12148672 18602654 21260176 24297344 37205308 42520352 48594688 74410616 85040704 148821232 170081408 297642464 340162816 595284928 1190569856 2381139712