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6845990116 = 227271491951
BaseRepresentation
bin1100110000000110…
…11000010011100100
3122200002221022221111
412120003120103210
5103010033140431
63051153154404
7331435645600
oct63003302344
918602838844
106845990116
1129a3423779
1213b085ba04
13851431b34
1448d30a500
152a10467b1
hex1980d84e4

6845990116 has 36 divisors (see below), whose sum is σ = 14132797056. Its totient is φ = 2892666000.

The previous prime is 6845990113. The next prime is 6845990189. The reversal of 6845990116 is 6110995486.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a self number, because there is not a number n which added to its sum of digits gives 6845990116.

It is not an unprimeable number, because it can be changed into a prime (6845990113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 232060 + ... + 259891.

It is an arithmetic number, because the mean of its divisors is an integer number (392577696).

Almost surely, 26845990116 is an apocalyptic number.

It is an amenable number.

6845990116 is an abundant number, since it is smaller than the sum of its proper divisors (7286806940).

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

6845990116 is a wasteful number, since it uses less digits than its factorization.

6845990116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492040 (or 492031 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 49.

The square root of 6845990116 is about 82740.4986448595. The cubic root of 6845990116 is about 1898.7979576892.

The spelling of 6845990116 in words is "six billion, eight hundred forty-five million, nine hundred ninety thousand, one hundred sixteen".

Divisors: 1 2 4 7 14 28 49 71 98 142 196 284 497 994 1988 3479 6958 13916 491951 983902 1967804 3443657 6887314 13774628 24105599 34928521 48211198 69857042 96422396 139714084 244499647 488999294 977998588 1711497529 3422995058 6845990116