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2182118401 = 37187931387
BaseRepresentation
bin1000001000010000…
…0111110000000001
312122002001002201001
42002010013300001
513432110242101
61000310212001
7105034462141
oct20204076001
95562032631
102182118401
11a1a826941
1250a954001
1328a110528
14169b44921
15cb888901
hex82107c01

2182118401 has 8 divisors (see below), whose sum is σ = 2242358720. Its totient is φ = 2121944688.

The previous prime is 2182118387. The next prime is 2182118417. The reversal of 2182118401 is 1048112812.

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 2182118401 - 229 = 1645247489 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 2182118401.

It is not an unprimeable number, because it can be changed into a prime (2182118431) 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, 53830 + ... + 85216.

It is an arithmetic number, because the mean of its divisors is an integer number (280294840).

Almost surely, 22182118401 is an apocalyptic number.

It is an amenable number.

2182118401 is a deficient number, since it is larger than the sum of its proper divisors (60240319).

2182118401 is a wasteful number, since it uses less digits than its factorization.

2182118401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33303.

The product of its (nonzero) digits is 1024, while the sum is 28.

The square root of 2182118401 is about 46713.1501934948. The cubic root of 2182118401 is about 1297.0581209699.

The spelling of 2182118401 in words is "two billion, one hundred eighty-two million, one hundred eighteen thousand, four hundred one".

Divisors: 1 37 1879 31387 69523 1161319 58976173 2182118401