Search a number
-
+
3221012011 = 72136148299
BaseRepresentation
bin1011111111111100…
…1011111000101011
322022110220100211011
42333333023320223
523044034341021
61251341244351
7142551102400
oct27777137053
98273810734
103221012011
1114031a4aa8
1275a8636b7
133c4417789
14227ad82a7
1513cb9dde1
hexbffcbe2b

3221012011 has 12 divisors (see below), whose sum is σ = 3749722200. Its totient is φ = 2758781760.

The previous prime is 3221011979. The next prime is 3221012077. The reversal of 3221012011 is 1102101223.

It is not a de Polignac number, because 3221012011 - 25 = 3221011979 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3221011982 and 3221012000.

It is not an unprimeable number, because it can be changed into a prime (3221015011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42540 + ... + 90838.

It is an arithmetic number, because the mean of its divisors is an integer number (312476850).

Almost surely, 23221012011 is an apocalyptic number.

3221012011 is a deficient number, since it is larger than the sum of its proper divisors (528710189).

3221012011 is a wasteful number, since it uses less digits than its factorization.

3221012011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49674 (or 49667 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 3221012011 is about 56753.9603111536. The cubic root of 3221012011 is about 1476.8309368271.

Adding to 3221012011 its reverse (1102101223), we get a palindrome (4323113234).

The spelling of 3221012011 in words is "three billion, two hundred twenty-one million, twelve thousand, eleven".

Divisors: 1 7 49 1361 9527 48299 66689 338093 2366651 65734939 460144573 3221012011