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4868279138 = 210324792
BaseRepresentation
bin1001000100010110…
…00000101101100010
3110120021112012111202
410202023000231202
534432234413023
62123024041202
7231432455432
oct44213005542
913507465452
104868279138
112079020198
12b3a463202
135c778ca58
143427b42c2
151d75d8128
hex1222c0b62

4868279138 has 18 divisors (see below), whose sum is σ = 7389431019. Its totient is φ = 2405474772.

The previous prime is 4868279071. The next prime is 4868279167. The reversal of 4868279138 is 8319728684.

It can be written as a sum of positive squares in only one way, i.e., 2434139569 + 2434139569 = 49337^2 + 49337^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=49337.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 10163183 + ... + 10163661.

Almost surely, 24868279138 is an apocalyptic number.

4868279138 is a deficient number, since it is larger than the sum of its proper divisors (2521151881).

4868279138 is an frugal number, since it uses more digits than its factorization.

4868279138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1166 (or 584 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 56.

The square root of 4868279138 is about 69773.0545268014. The cubic root of 4868279138 is about 1694.8261541203.

The spelling of 4868279138 in words is "four billion, eight hundred sixty-eight million, two hundred seventy-nine thousand, one hundred thirty-eight".

Divisors: 1 2 103 206 479 958 10609 21218 49337 98674 229441 458882 5081711 10163422 23632423 47264846 2434139569 4868279138