Search a number
-
+
11412422021 = 7111388112941
BaseRepresentation
bin10101010000011101…
…11011110110000101
31002110100111002220002
422220032323312011
5141333040001041
65124235451045
7552544662260
oct125016736605
932410432802
1011412422021
114927018640
122265bb6a85
1310cb4c8050
147a3989cd7
1546bda859b
hex2a83bbd85

11412422021 has 32 divisors (see below), whose sum is σ = 15341550336. Its totient is φ = 8198784000.

The previous prime is 11412422011. The next prime is 11412422023. The reversal of 11412422021 is 12022421411.

It is not a de Polignac number, because 11412422021 - 222 = 11408227717 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11412421984 and 11412422002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11412422023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 875411 + ... + 888351.

It is an arithmetic number, because the mean of its divisors is an integer number (479423448).

Almost surely, 211412422021 is an apocalyptic number.

11412422021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11412422021 is a deficient number, since it is larger than the sum of its proper divisors (3929128315).

11412422021 is a wasteful number, since it uses less digits than its factorization.

11412422021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13853.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 11412422021 its reverse (12022421411), we get a palindrome (23434843432).

The spelling of 11412422021 in words is "eleven billion, four hundred twelve million, four hundred twenty-two thousand, twenty-one".

Divisors: 1 7 11 13 77 91 143 881 1001 6167 9691 11453 12941 67837 80171 90587 125983 142351 168233 881881 996457 1177631 1850563 11401021 12953941 79807147 125411231 148213273 877878617 1037492911 1630346003 11412422021