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11122443001 = 171588941177
BaseRepresentation
bin10100101101111001…
…10000001011111001
31001201010211122110101
422112330300023321
5140234321134001
65035400315401
7542424130345
oct122674601371
931633748411
1011122443001
11479836905a
1221a4a72b61
1310833c8527
14777264625
154516c8a01
hex296f302f9

11122443001 has 8 divisors (see below), whose sum is σ = 11777731560. Its totient is φ = 10467268608.

The previous prime is 11122442951. The next prime is 11122443037. The reversal of 11122443001 is 10034422111.

It can be written as a sum of positive squares in 4 ways, for example, as 752075776 + 10370367225 = 27424^2 + 101835^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11122443001 - 29 = 11122442489 is a prime.

It is a super-5 number, since 5×111224430015 (a number of 51 digits) contains 55555 as substring.

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 11122443001.

It is not an unprimeable number, because it can be changed into a prime (11122443401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 249525 + ... + 290701.

It is an arithmetic number, because the mean of its divisors is an integer number (1472216445).

Almost surely, 211122443001 is an apocalyptic number.

It is an amenable number.

11122443001 is a deficient number, since it is larger than the sum of its proper divisors (655288559).

11122443001 is a wasteful number, since it uses less digits than its factorization.

11122443001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57083.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 11122443001 its reverse (10034422111), we get a palindrome (21156865112).

The spelling of 11122443001 in words is "eleven billion, one hundred twenty-two million, four hundred forty-three thousand, one".

Divisors: 1 17 15889 41177 270113 700009 654261353 11122443001