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4915089385 = 5171927710987
BaseRepresentation
bin1001001001111011…
…00100111111101001
3110200112121102002121
410210331210333221
540031230330020
62131415231241
7232541366443
oct44475447751
913615542077
104915089385
1120a2492448
12b52078521
1360439c31b
14348abb493
151db782baa
hex124f64fe9

4915089385 has 32 divisors (see below), whose sum is σ = 6598074240. Its totient is φ = 3493020672.

The previous prime is 4915089379. The next prime is 4915089407. The reversal of 4915089385 is 5839805194.

It is a cyclic number.

It is not a de Polignac number, because 4915089385 - 217 = 4914958313 is a prime.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 441862 + ... + 452848.

It is an arithmetic number, because the mean of its divisors is an integer number (206189820).

Almost surely, 24915089385 is an apocalyptic number.

It is an amenable number.

4915089385 is a deficient number, since it is larger than the sum of its proper divisors (1682984855).

4915089385 is a wasteful number, since it uses less digits than its factorization.

4915089385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11305.

The product of its (nonzero) digits is 1555200, while the sum is 52.

The square root of 4915089385 is about 70107.6984717085. The cubic root of 4915089385 is about 1700.2409560416.

The spelling of 4915089385 in words is "four billion, nine hundred fifteen million, eighty-nine thousand, three hundred eighty-five".

Divisors: 1 5 17 19 85 95 277 323 1385 1615 4709 5263 10987 23545 26315 54935 89471 186779 208753 447355 933895 1043765 3043399 3548801 15216995 17744005 51737783 57824581 258688915 289122905 983017877 4915089385