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6139047490 = 253119803379
BaseRepresentation
bin1011011011110101…
…00110111001000010
3120211211200220222021
411231322212321002
5100033044004430
62453101032054
7305063020432
oct55572467102
916754626867
106139047490
112670372274
121233b5562a
1376ab316a4
144234862c2
1525de5207a
hex16dea6e42

6139047490 has 16 divisors (see below), whose sum is σ = 11406746880. Its totient is φ = 2376405360.

The previous prime is 6139047479. The next prime is 6139047491. The reversal of 6139047490 is 947409316.

It is not an unprimeable number, because it can be changed into a prime (6139047491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9901380 + ... + 9901999.

It is an arithmetic number, because the mean of its divisors is an integer number (712921680).

Almost surely, 26139047490 is an apocalyptic number.

6139047490 is a deficient number, since it is larger than the sum of its proper divisors (5267699390).

6139047490 is a wasteful number, since it uses less digits than its factorization.

6139047490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19803417.

The product of its (nonzero) digits is 163296, while the sum is 43.

The square root of 6139047490 is about 78352.0739355379. The cubic root of 6139047490 is about 1831.0505369846.

The spelling of 6139047490 in words is "six billion, one hundred thirty-nine million, forty-seven thousand, four hundred ninety".

Divisors: 1 2 5 10 31 62 155 310 19803379 39606758 99016895 198033790 613904749 1227809498 3069523745 6139047490