Search a number
-
+
6850190515 = 571132397247
BaseRepresentation
bin1100110000100110…
…11001110010110011
3122200101211201210211
412120103121302303
5103012122044030
63051423204551
7331516441630
oct63023316263
918611751724
106850190515
1129a5832583
1213b2146757
1385227298c
1448dac1187
152a15c612a
hex1984d9cb3

6850190515 has 32 divisors (see below), whose sum is σ = 9518653440. Its totient is φ = 4635585024.

The previous prime is 6850190513. The next prime is 6850190519. The reversal of 6850190515 is 5150910586.

It is not a de Polignac number, because 6850190515 - 21 = 6850190513 is a prime.

It is a super-2 number, since 2×68501905152 = 93850220183591930450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6850190513) 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 31 ways as a sum of consecutive naturals, for example, 941622 + ... + 948868.

It is an arithmetic number, because the mean of its divisors is an integer number (297457920).

Almost surely, 26850190515 is an apocalyptic number.

6850190515 is a deficient number, since it is larger than the sum of its proper divisors (2668462925).

6850190515 is a wasteful number, since it uses less digits than its factorization.

6850190515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7611.

The product of its (nonzero) digits is 54000, while the sum is 40.

The square root of 6850190515 is about 82765.8777214378. The cubic root of 6850190515 is about 1899.1862179838.

The spelling of 6850190515 in words is "six billion, eight hundred fifty million, one hundred ninety thousand, five hundred fifteen".

Divisors: 1 5 7 35 113 239 565 791 1195 1673 3955 7247 8365 27007 36235 50729 135035 189049 253645 818911 945245 1732033 4094555 5732377 8660165 12124231 28661885 60621155 195719729 978598645 1370038103 6850190515