Search a number
-
+
11212023043 = 138919874877
BaseRepresentation
bin10100111000100100…
…11110010100000011
31001221101101210011201
422130102132110003
5140430234214133
65052320322031
7544562423554
oct123422362403
931841353151
1011212023043
114833992951
12220aa73317
131098b31280
1478510232b
154594c0d7d
hex29c49e503

11212023043 has 16 divisors (see below), whose sum is σ = 12218804640. Its totient is φ = 10226025216.

The previous prime is 11212023041. The next prime is 11212023083. The reversal of 11212023043 is 34032021211.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11212023043 - 21 = 11212023041 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11212023043.

It is not an unprimeable number, because it can be changed into a prime (11212023041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2296521 + ... + 2301397.

It is an arithmetic number, because the mean of its divisors is an integer number (763675290).

Almost surely, 211212023043 is an apocalyptic number.

11212023043 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11212023043 is a deficient number, since it is larger than the sum of its proper divisors (1006781597).

11212023043 is a wasteful number, since it uses less digits than its factorization.

11212023043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6966.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 11212023043 its reverse (34032021211), we get a palindrome (45244044254).

The spelling of 11212023043 in words is "eleven billion, two hundred twelve million, twenty-three thousand, forty-three".

Divisors: 1 13 89 1157 1987 4877 25831 63401 176843 434053 2298959 5642689 9690599 125977787 862463311 11212023043