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2113120401 = 37100624781
BaseRepresentation
bin111110111110011…
…1010100010010001
312110021012122020120
41331330322202101
513311424323101
6545403300453
7103236140610
oct17574724221
95407178216
102113120401
1199488a6a7
124ab81a729
13278a32b02
14160903877
15c57a9b36
hex7df3a891

2113120401 has 8 divisors (see below), whose sum is σ = 3219993024. Its totient is φ = 1207497360.

The previous prime is 2113120393. The next prime is 2113120403. The reversal of 2113120401 is 1040213112.

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

It is not a de Polignac number, because 2113120401 - 23 = 2113120393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2113120403) 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, 50312370 + ... + 50312411.

It is an arithmetic number, because the mean of its divisors is an integer number (402499128).

Almost surely, 22113120401 is an apocalyptic number.

2113120401 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2113120401 is a deficient number, since it is larger than the sum of its proper divisors (1106872623).

2113120401 is a wasteful number, since it uses less digits than its factorization.

2113120401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100624791.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 2113120401 is about 45968.6893548206. The cubic root of 2113120401 is about 1283.2405684489.

Adding to 2113120401 its reverse (1040213112), we get a palindrome (3153333513).

The spelling of 2113120401 in words is "two billion, one hundred thirteen million, one hundred twenty thousand, four hundred one".

Divisors: 1 3 7 21 100624781 301874343 704373467 2113120401