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6212650980 = 2235234501921
BaseRepresentation
bin1011100100100110…
…11000011111100100
3121000222012100222110
411302103120133210
5100210414312410
62504250401020
7306645443034
oct56223303744
917028170873
106212650980
1126a89746a8
121254730170
13780162453
1442d1658c4
15265640720
hex1724d87e4

6212650980 has 48 divisors (see below), whose sum is σ = 18151749504. Its totient is φ = 1584675840.

The previous prime is 6212650973. The next prime is 6212650981. The reversal of 6212650980 is 890562126.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (6212650981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2249581 + ... + 2252340.

It is an arithmetic number, because the mean of its divisors is an integer number (378161448).

Almost surely, 26212650980 is an apocalyptic number.

6212650980 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6212650980 is an abundant number, since it is smaller than the sum of its proper divisors (11939098524).

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

6212650980 is a wasteful number, since it uses less digits than its factorization.

6212650980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4501956 (or 4501954 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 6212650980 is about 78820.3716053153. The cubic root of 6212650980 is about 1838.3392170089.

The spelling of 6212650980 in words is "six billion, two hundred twelve million, six hundred fifty thousand, nine hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 23 30 46 60 69 92 115 138 230 276 345 460 690 1380 4501921 9003842 13505763 18007684 22509605 27011526 45019210 54023052 67528815 90038420 103544183 135057630 207088366 270115260 310632549 414176732 517720915 621265098 1035441830 1242530196 1553162745 2070883660 3106325490 6212650980