Search a number
-
+
2748723994 = 229173273941
BaseRepresentation
bin1010001111010110…
…0011001100011010
321002120012122110101
42203311203030122
521112133131434
61132430410014
7125054524402
oct24365431432
97076178411
102748723994
111190646025
1264866090a
1334a616103
141c10b7802
151114abb14
hexa3d6331a

2748723994 has 16 divisors (see below), whose sum is σ = 4289931720. Its totient is φ = 1319295040.

The previous prime is 2748723979. The next prime is 2748724007. The reversal of 2748723994 is 4993278472.

2748723994 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2681893369 + 66830625 = 51787^2 + 8175^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126937 + ... + 147004.

Almost surely, 22748723994 is an apocalyptic number.

2748723994 is a deficient number, since it is larger than the sum of its proper divisors (1541207726).

2748723994 is a wasteful number, since it uses less digits than its factorization.

2748723994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274145.

The product of its digits is 6096384, while the sum is 55.

The square root of 2748723994 is about 52428.2747570431. The cubic root of 2748723994 is about 1400.8029397434.

The spelling of 2748723994 in words is "two billion, seven hundred forty-eight million, seven hundred twenty-three thousand, nine hundred ninety-four".

Divisors: 1 2 29 58 173 346 5017 10034 273941 547882 7944289 15888578 47391793 94783586 1374361997 2748723994