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4912685961 = 319113762721
BaseRepresentation
bin1001001001101000…
…11010001110001001
3110200101002022012220
410210310122032021
540030121422321
62131251524253
7232512066411
oct44464321611
913611068186
104912685961
1120a10a0747
12b512b9689
13603a3a391
14348653641
151db45a9c6
hex124d1a389

4912685961 has 16 divisors (see below), whose sum is σ = 6956024640. Its totient is φ = 3075287040.

The previous prime is 4912685903. The next prime is 4912685983. The reversal of 4912685961 is 1695862194.

It is not a de Polignac number, because 4912685961 - 211 = 4912683913 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4912685861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 374920 + ... + 387801.

It is an arithmetic number, because the mean of its divisors is an integer number (434751540).

Almost surely, 24912685961 is an apocalyptic number.

It is an amenable number.

4912685961 is a deficient number, since it is larger than the sum of its proper divisors (2043338679).

4912685961 is a wasteful number, since it uses less digits than its factorization.

4912685961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762856.

The product of its digits is 933120, while the sum is 51.

The square root of 4912685961 is about 70090.5554336674. Note that the first 3 decimals coincide. The cubic root of 4912685961 is about 1699.9637778903.

The spelling of 4912685961 in words is "four billion, nine hundred twelve million, six hundred eighty-five thousand, nine hundred sixty-one".

Divisors: 1 3 19 57 113 339 2147 6441 762721 2288163 14491699 43475097 86187473 258562419 1637561987 4912685961