Search a number
-
+
3811122428 = 2237914391747
BaseRepresentation
bin1110001100101001…
…0001110011111100
3100211121022002010112
43203022101303330
530301121404203
61430101325152
7163305002051
oct34312216374
910747262115
103811122428
111686308763
128a44067b8
1348975cb39
14282229028
151748b66d8
hexe3291cfc

3811122428 has 24 divisors (see below), whose sum is σ = 6695539200. Its totient is φ = 1898125488.

The previous prime is 3811122421. The next prime is 3811122439. The reversal of 3811122428 is 8242211183.

It is a super-2 number, since 2×38111224282 = 29049308322409230368, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3811122394 and 3811122403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3811122421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2180651 + ... + 2182397.

It is an arithmetic number, because the mean of its divisors is an integer number (278980800).

Almost surely, 23811122428 is an apocalyptic number.

It is an amenable number.

3811122428 is a deficient number, since it is larger than the sum of its proper divisors (2884416772).

3811122428 is a wasteful number, since it uses less digits than its factorization.

3811122428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3569 (or 3567 counting only the distinct ones).

The product of its digits is 6144, while the sum is 32.

The square root of 3811122428 is about 61734.2889162903. The cubic root of 3811122428 is about 1562.0117629586.

The spelling of 3811122428 in words is "three billion, eight hundred eleven million, one hundred twenty-two thousand, four hundred twenty-eight".

Divisors: 1 2 4 379 758 1439 1516 1747 2878 3494 5756 6988 545381 662113 1090762 1324226 2181524 2513933 2648452 5027866 10055732 952780607 1905561214 3811122428