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6246361990 = 251156785109
BaseRepresentation
bin1011101000100111…
…11110101110000110
3121010022122001210101
411310103332232012
5100243032040430
62511453114314
7310535125621
oct56423765606
917108561711
106246361990
1127159aa240
121263a8899a
137871365ab
1443381cdb8
1526859ddca
hex1744feb86

6246361990 has 16 divisors (see below), whose sum is σ = 12265583760. Its totient is φ = 2271404320.

The previous prime is 6246361981. The next prime is 6246361991. The reversal of 6246361990 is 991636426.

It is a super-2 number, since 2×62463619902 = 78034076220233520200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6246361990.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6246361991) by changing a digit.

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, 28392445 + ... + 28392664.

It is an arithmetic number, because the mean of its divisors is an integer number (766598985).

Almost surely, 26246361990 is an apocalyptic number.

6246361990 is a deficient number, since it is larger than the sum of its proper divisors (6019221770).

6246361990 is a wasteful number, since it uses less digits than its factorization.

6246361990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56785127.

The product of its (nonzero) digits is 419904, while the sum is 46.

The square root of 6246361990 is about 79033.9293594846. The cubic root of 6246361990 is about 1841.6582787940.

It can be divided in two parts, 624636 and 1990, that added together give a palindrome (626626).

The spelling of 6246361990 in words is "six billion, two hundred forty-six million, three hundred sixty-one thousand, nine hundred ninety".

Divisors: 1 2 5 10 11 22 55 110 56785109 113570218 283925545 567851090 624636199 1249272398 3123180995 6246361990